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253 results on '"Marcinkowski, A."'

1. Online Facility Location with Linear Delay

Author: Marcin Bienkowski and Martin Böhm and Jarosław Byrka and Jan Marcinkowski, Bienkowski, Marcin, Böhm, Martin, Byrka, Jarosław, Marcinkowski, Jan, Marcin Bienkowski and Martin Böhm and Jarosław Byrka and Jan Marcinkowski, Bienkowski, Marcin, Böhm, Martin, Byrka, Jarosław, and Marcinkowski, Jan
Abstract: In the problem of online facility location with delay, a sequence of n clients appear in the metric space, and they need to be eventually connected to some open facility. The clients do not have to be connected immediately, but such a choice comes with a certain penalty: each client incurs a waiting cost (equal to the difference between its arrival and its connection time). At any point in time, an algorithm may decide to open a facility and connect any subset of clients to it. That is, an algorithm needs to balance three types of costs: cost of opening facilities, costs of connecting clients, and the waiting costs of clients. We study a natural variant of this problem, where clients may be connected also to an already open facility, but such action incurs an extra cost: an algorithm pays for waiting of the facility (a cost incurred separately for each such "late" connection). This is reminiscent of online matching with delays, where both sides of the connection incur a waiting cost. We call this variant two-sided delay to differentiate it from the previously studied one-sided delay, where clients may connect to a facility only at its opening time. We present an O(1)-competitive deterministic algorithm for the two-sided delay variant. Our approach is an extension of the approach used by Jain, Mahdian and Saberi [STOC 2002] for analyzing the performance of offline algorithms for facility location. To this end, we substantially simplify the part of the original argument in which a bound on the sequence of factor-revealing LPs is derived. We then show how to transform our O(1)-competitive algorithm for the two-sided delay variant to O(log n / log log n)-competitive deterministic algorithm for one-sided delays. This improves the known O(log n) bound by Azar and Touitou [FOCS 2020]. We note that all previous online algorithms for problems with delays in general metrics have at least logarithmic ratios.
Published: 2022
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2. Sustainable last-mile delivery from the supply side: Perspective of various stakeholders

Author: Kiba-Janiak, Maja (author), Marcinkowski, Jakub (author), Witkowski, Jarosław (author), van Duin, Ron (author), Kiba-Janiak, Maja (author), Marcinkowski, Jakub (author), Witkowski, Jarosław (author), and van Duin, Ron (author)
Abstract: Transport and Logistics
Published: 2023

3. How is Socially Responsible Academic Performance Prediction Possible? Insights from a Concept of Perceived AI Fairness.

Author: Keller, Birte, Lünich, Marco, Marcinkowski, Frank, Keller, Birte, Lünich, Marco, and Marcinkowski, Frank
Published: 2023

4. Submodularity Gaps for Selected Network Design and Matching Problems

Author: Böhm, Martin, Byrka, Jarosław, Lewandowski, Mateusz, Marcinkowski, Jan, Böhm, Martin, Byrka, Jarosław, Lewandowski, Mateusz, and Marcinkowski, Jan
Abstract: Submodularity in combinatorial optimization has been a topic of many studies and various algorithmic techniques exploiting submodularity of a studied problem have been proposed. It is therefore natural to ask, in cases where the cost function of the studied problem is not submodular, whether it is possible to approximate this cost function with a proxy submodular function. We answer this question in the negative for two major problems in metric optimization, namely Steiner Tree and Uncapacitated Facility Location. We do so by proving super-constant lower bounds on the submodularity gap for these problems, which are in contrast to the known constant factor cost sharing schemes known for them. Technically, our lower bounds build on strong lower bounds for the online variants of these two problems. Nevertheless, online lower bounds do not always imply submodularity lower bounds. We show that the problem Maximum Bipartite Matching does not exhibit any submodularity gap, despite its online variant being only (1 - 1/e)-competitive in the randomized setting.
Published: 2023

5. Crisis dilemmas of the European Union: pandemic and climate

Author: Marcinkowski, Tomasz and Marcinkowski, Tomasz
Abstract: The climate crisis and the crisis related to the SARS CoV-2 pandemic have become a major challenge for the European Union. They also posed a dilemma concerning the choice of priorities or attempts to reconcile them. The article provides an approximate answer to the question to what extent anti-crisis measures related to COVID-19 also take into account the existing priorities of the European climate policy. Despite the difficulties associated with the pandemic, the EU does not intend to depart from its previous green priorities. The planned actions both in terms of economic recovery and in the area of public health are complementary to the existing goals., Kryzys klimatyczny i kryzys związany z pandemią wirusa SARS CoV-2 stały się istotnym wyzwaniem dla Unii Europejskiej. Postawiły też dylemat dotyczący wyboru priorytetów czy też próby ich pogodzenia. W artykule dokonano przybliżenia odpowiedzi na pytanie na ile działania antykryzysowe związane z COVID-19 uwzględniają także dotychczasowe priorytety europejskiej polityki klimatycznej. Jak dowiedziono pomimo trudności związanych z pandemią UE nie zamierza odejść od dotychczasowych zielonych priorytetów. Planowane działania zarówno w zakresie odbudowy gospodarki, jak i w obszarze zdrowia publicznego są komplementarne z dotychczasowymi celami.
Published: 2023

6. What Makes a Variant of Query Determinacy (Un)Decidable? (Invited Talk)

Author: Jerzy Marcinkowski, Marcinkowski, Jerzy, Jerzy Marcinkowski, and Marcinkowski, Jerzy
Abstract: This paper was written as the companion paper of the ICDT 2020 invited tutorial. Query determinacy is a broad topic, with literally hundreds of papers published since late 1980s. This paper is not going to be a "survey" but rather a personal perspective of a person somehow involved in the recent developments in the area. First I explain how, in the last 30+ years, the question of determinacy was formalized. There are many parameters here: obviously one needs to choose the query language of the available views and the query language of the query itself. But - surprisingly - there is also some choice regarding what the word "to compute" actually means in this context. Then I concentrate on certain variants of the decision problem of determinacy (for each choice of parameters there is one such problem) and explain how I understand the mechanisms rendering such variants of determinacy decidable or undecidable. This is on a rather informal level. No really new theorems are presented, but I show some improvements of existing theorems and also simplified proofs of some of the earlier results.
Published: 2020
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7. Pour l’histoire de la science hellène : De Thalès à Empédocle, suivie d'un « Dossier Tannery »

Author: Tannery, Paul, Marcinkowski, Alexandre, Tannery, Paul, Tannery, Paul, Marcinkowski, Alexandre, and Tannery, Paul
Abstract: Le grand savant allemand Wilamowitz-Moellendorff qualifiait Paul Tannery « d’autodidacte de génie ». Venant d’un des plus grands hellénistes du XIXe siècle, le compliment était de taille. Paul Tannery, ancien polytechnicien, passionné par les textes grecs et latins, fut considéré comme un important historien des sciences et des mathématiques. Son travail majeur, Pour l’histoire de la science hellène, connu le succès dès sa parution en 1887 et fut réédité en 1930 tant son autorité demeurait forte. Texte important pour qui veut appréhender l’histoire de la science grecque au temps des présocratiques, Pour l’histoire de la science hellène reste encore aujourd’hui une mine de renseignements tant pour les philosophes et les épistémologues que pour un public en quête de redécouvertes des origines philosophiques de notre civilisation. Sans jamais vulgariser ou simplifier, Paul Tannery a cette capacité de permettre au lecteur de circuler dans le monde de l’époque. Mettant en correspondance les penseurs qu’il évoque, Tannery montre comment chacun, à la fois innove mais également se nourrit de la pensée de l’autre, reconstruit, se distingue, à une période où débute la science grecque – arithmétique, géométrique, astronomique – et où prend naissance, ce que plus tard on appellera, la philosophie. Cet ouvrage essentiel, tant par sa clarté que par sa pédagogie, rend l’histoire de la science grecque compréhensible sans pédanterie. S’appuyant sur la recherche la plus récente concernant la doxographie, cette nouvelle édition, revue et amendée, reprend, en complément, des notices de revues parues à la suite de la première puis de la seconde édition. D’autres notices précisent sa bibliographie et son parcours personnel. Des dossiers complémentaires permettent à la fois d’offrir des vues synthétiques sur certains chapitres et d’ouvrir sur des horizons plus contemporains.
Published: 2022

8. Clinical and radiologic factors associated with adnexal torsion in premenarchal and menarchal children and adolescents.

Author: Schwartz, Beth I., Mercier, Rebecca J., Gould, Sharon, Saul, David, Loiselle, Claire, Weerasooriya, Nimali, Marcinkowski, Katrina, Teeple, Erin A, Berman, Loren, Schwartz, Beth I., Mercier, Rebecca J., Gould, Sharon, Saul, David, Loiselle, Claire, Weerasooriya, Nimali, Marcinkowski, Katrina, Teeple, Erin A, and Berman, Loren
Abstract: BACKGROUND: Adnexal torsion is a gynecologic emergency in children and adolescents but remains a challenging diagnosis, with no consistent clinical or radiologic diagnostic criteria. Our objective was to identify risk factors associated with adnexal torsion in premenarchal and menarchal patients with surgically confirmed torsion compared with those without torsion. METHODS: We conducted a retrospective chart review of all patients who underwent surgery between January 2016 and December 2019 for possible adnexal torsion. Data on demographics, clinical characteristics, radiologic variables, and operative findings were compared using descriptive statistics. Independent predictors of torsion were then examined in multivariate logistic regression models. RESULTS: Of the 291 patients who underwent surgery, 168 (57.7%) had torsion. Patients with torsion were younger than those without torsion (11.9 vs. 14.2 years, P < .01). Vomiting was significantly associated with torsion for all patients (P < .001). Large adnexal volume and absent arterial Doppler flow were associated with torsion for the total population and menarchal subgroup. A logistic regression model for the total population that controlled for age and menarchal status found that vomiting (adjusted odds ratio [aOR] 5.92, 95% confidence interval [CI] 2.87-12.22), highest adnexal volume category (aOR 4.92, 95% CI 2.25-10.75), and absent arterial Doppler flow (aOR 2.674, 95% CI 1.28-5.60) were associated with torsion. CONCLUSIONS: Vomiting, enlarged adnexal volume, and absent arterial Doppler flow were associated with adnexal torsion. However, no single risk factor accurately diagnosed torsion, and multiple factors should be interpreted together. LEVEL OF EVIDENCE: Study of Diagnostic Test, Level II.
Published: 2022

9. UCGWATER+: un proyecto europeo para el desarrollo de estrategias de descontaminación de aguas procedentes de la gasificación subterránea del carbón y otras actividades industriales

Author: European Commission, Research Fund for Coal and Steel, Castro Muñiz, Alberto [0000-0003-3929-1725], Villar Rodil, Silvia [0000-0002-5832-9971], Suárez García, Fabián [0000-0002-1970-293X], Paredes Nachón, Juan Ignacio [0000-0002-0044-9153], Castro Muñiz, Alberto, Villar Rodil, Silvia, Suárez-García, Fabián, Paredes Nachón, Juan Ignacio, Strugała-Wilczek, Aleksandra, Kapusta, Krzysztof, Ponikiewska, Katarzyna, Pyka, Ireneusz, Szoltysek, Lucyna, Stanczyk, Krzysztof, Kwiencinska-Mydlak, Anna, Jalowiechi, Lukasz, Plaza, Grazyna, Díaz, Miguel Ángel, Muñoz Soler, Noelia, Esparza-Alons, Enrique, Priesztz, Bozena, Michalik, Krysztof, Marcinkowski, Mateousz, Bezak, Bartolomiej, European Commission, Research Fund for Coal and Steel, Castro Muñiz, Alberto [0000-0003-3929-1725], Villar Rodil, Silvia [0000-0002-5832-9971], Suárez García, Fabián [0000-0002-1970-293X], Paredes Nachón, Juan Ignacio [0000-0002-0044-9153], Castro Muñiz, Alberto, Villar Rodil, Silvia, Suárez-García, Fabián, Paredes Nachón, Juan Ignacio, Strugała-Wilczek, Aleksandra, Kapusta, Krzysztof, Ponikiewska, Katarzyna, Pyka, Ireneusz, Szoltysek, Lucyna, Stanczyk, Krzysztof, Kwiencinska-Mydlak, Anna, Jalowiechi, Lukasz, Plaza, Grazyna, Díaz, Miguel Ángel, Muñoz Soler, Noelia, Esparza-Alons, Enrique, Priesztz, Bozena, Michalik, Krysztof, Marcinkowski, Mateousz, and Bezak, Bartolomiej
Published: 2022

10. Wpływ na środowisko procesu wstępnego przygotowania odpadów opakowaniowych do recyklingu

Author: Haręża, Paweł, Marcinkowski, Andrzej, Haręża, Paweł, and Marcinkowski, Andrzej
Abstract: Bibliografie, netografie, wykazy aktów prawnych przy pracach, Streszczenia w języku angielskim przy pracach., Kraków
Published: 2022

11. Wpływ na środowisko procesu wstępnego przygotowania odpadów opakowaniowych do recyklingu

Author: Haręża, Paweł, Marcinkowski, Andrzej, Haręża, Paweł, and Marcinkowski, Andrzej
Abstract: Bibliografie, netografie, wykazy aktów prawnych przy pracach, Streszczenia w języku angielskim przy pracach., Kraków
Published: 2022

12. Conservative Extensions for Existential Rules

Author: Jung, Jean Christoph, Lutz, Carsten, Marcinkowski, Jerzy, Jung, Jean Christoph, Lutz, Carsten, and Marcinkowski, Jerzy
Abstract: We study the problem to decide, given sets T1,T2 of tuple-generating dependencies (TGDs), also called existential rules, whether T2 is a conservative extension of T1. We consider two natural notions of conservative extension, one pertaining to answers to conjunctive queries over databases and one to homomorphisms between chased databases. Our main results are that these problems are undecidable for linear TGDs, undecidable for guarded TGDs even when T1 is empty, and decidable for frontier-one TGDs.
Published: 2022

13. Constant-Factor FPT Approximation for Capacitated k-Median

Author: Marek Adamczyk and Jarosław Byrka and Jan Marcinkowski and Syed M. Meesum and Michał Włodarczyk, Adamczyk, Marek, Byrka, Jarosław, Marcinkowski, Jan, Meesum, Syed M., Włodarczyk, Michał, Marek Adamczyk and Jarosław Byrka and Jan Marcinkowski and Syed M. Meesum and Michał Włodarczyk, Adamczyk, Marek, Byrka, Jarosław, Marcinkowski, Jan, Meesum, Syed M., and Włodarczyk, Michał
Abstract: Capacitated k-median is one of the few outstanding optimization problems for which the existence of a polynomial time constant factor approximation algorithm remains an open problem. In a series of recent papers algorithms producing solutions violating either the number of facilities or the capacity by a multiplicative factor were obtained. However, to produce solutions without violations appears to be hard and potentially requires different algorithmic techniques. Notably, if parameterized by the number of facilities k, the problem is also W[2] hard, making the existence of an exact FPT algorithm unlikely. In this work we provide an FPT-time constant factor approximation algorithm preserving both cardinality and capacity of the facilities. The algorithm runs in time 2^O(k log k) n^O(1) and achieves an approximation ratio of 7+epsilon.
Published: 2019
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14. The First Order Truth Behind Undecidability of Regular Path Queries Determinacy

Author: Grzegorz Głuch and Jerzy Marcinkowski and Piotr Ostropolski-Nalewaja, Głuch, Grzegorz, Marcinkowski, Jerzy, Ostropolski-Nalewaja, Piotr, Grzegorz Głuch and Jerzy Marcinkowski and Piotr Ostropolski-Nalewaja, Głuch, Grzegorz, Marcinkowski, Jerzy, and Ostropolski-Nalewaja, Piotr
Abstract: In our paper [Głuch, Marcinkowski, Ostropolski-Nalewaja, LICS ACM, 2018] we have solved an old problem stated in [Calvanese, De Giacomo, Lenzerini, Vardi, SPDS ACM, 2000] showing that query determinacy is undecidable for Regular Path Queries. Here a strong generalisation of this result is shown, and - we think - a very unexpected one. We prove that no regularity is needed: determinacy remains undecidable even for finite unions of conjunctive path queries.
Published: 2019
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15. Dusza w doczesności - dusza w nieskończoności. III Międzynarodowa konferencja naukowa z cyklu 'Antropologiczno-językowe wizerunki duszy w perspektywie międzykulturowej' (20-21 maja 2021), 21 maja 2021, sesja plenarna (popołudniowa), przewodnicząca sesji: Галина Кабакова, 1. Róbert Bohát 'Mysl a duše: vtělesněná kognice a novozákonní „duše“ ve srovnání s korpusem metafor učení Corpus Comenius', 2. Roman Marcinkowski 'Dusza a wiara w życie po śmierci w judaizmie', 3. Ольга Фролова, Людмила Фёдорова 'Новые тенденции в развитии семантики души и связанных с ней единиц', 4. James W. Underhill, 'Translating and Understanding Pilgrims and Pilgrimages Across Languages'.

Author: Róbert Bohát, Roman Marcinkowski, Ольга Фролова, Людмила Фёдорова, James W. Underhill and Róbert Bohát, Roman Marcinkowski, Ольга Фролова, Людмила Фёдорова, James W. Underhill
Abstract: Wystąpienia prezentowane na międzynarodowej konferencji naukowej "Dusza w doczesności - dusza w nieskończoności" / The Soul in Temporality - the Soul in Infinity (20-21 maja 2021). Organizatorzy: Instytut Slawistyki PAN, Fundacja Slawistyczna. Dofinansowano z programu „Doskonała nauka” Ministra Edukacji i Nauki. 21 maja 2021, sesja plenarna: 1. Róbert Bohát "Mysl a duše: vtělesněná kognice a novozákonní „duše“ ve srovnání s korpusem metafor učení Corpus Comenius" / Mind the Soul: Embodied Cognition and the New Testament “Soul” in Comparison with the Corpus Comenius of Learning Metaphors, 2. Roman Marcinkowski "Dusza a wiara w życie po śmierci w judaizmie" / "The Soul and the Faith in Life after Death in Judaism", 3. Ольга Фролова, Людмила Фёдорова "Новые тенденции в развитии семантики души и связанных с ней единиц" / "New Trends in the Development of the Semantics of the Soul and Related Units", 4. James W. Underhill "Translating and Understanding Pilgrims and Pilgrimages Across Languages".
Published: 2021

16. Inscription Issue 2: Holes

Author: Gill Partington, Adam Smyth, Simon Morris, Michael Marcinkowski, Galina Oustinova-Stjepanovic, Fiona Banner, Dianna Frid, Carla Nappi, Ian Truelove, Aleksandra Kaminska, Juliette De Maeyer, Paul Reynolds, Louis Lüthi, James Misson, Heather Wolfe, Craig Robertson, Deidre Lynch, Erica Baum, Miranda July, Harold Offeh, Carolyn Thompson, Christian Bök, Ricky Adam, Zara Worth, Fraser Muggeridge studio, Gill Partington, Adam Smyth, Simon Morris, Michael Marcinkowski, Galina Oustinova-Stjepanovic, Fiona Banner, Dianna Frid, Carla Nappi, Ian Truelove, Aleksandra Kaminska, Juliette De Maeyer, Paul Reynolds, Louis Lüthi, James Misson, Heather Wolfe, Craig Robertson, Deidre Lynch, Erica Baum, Miranda July, Harold Offeh, Carolyn Thompson, Christian Bök, Ricky Adam, Zara Worth, and Fraser Muggeridge studio
Abstract: – Waiter! I don’t like cheese with holes! – Don’t worry, Sir. Just eat the cheese and leave the holes at the side of the plate. American minimalist artist Carl Andre (b. 1935) has not publicly expressed his feelings about Emmental, but he did once make this statement: ‘A thing is a hole in the thing it is not’. It’s a dictum that seems to have as much to say about the nature of holes as it does about the nature of things. In other words, doesn’t the converse logic apply: If a thing is a hole, then surely a hole is also a ..., https://www.librarystack.org/inscription-issue-2-holes/?ref=unknown
Published: 2021

17. Social Networking Sites, Personalization, and Trust in Government: Empirical Evidence for a Mediation Model

Author: Starke, Christopher, Marcinkowski, Frank, Wintterlin, Florian, Starke, Christopher, Marcinkowski, Frank, and Wintterlin, Florian
Abstract: Political communication via social media might well counter the eroding political trust. In particular, social networking sites (SNS) enable direct flows of communication between citizens and the political elite, thereby reducing social and political gaps. Based on the concept of personalization of politics, we argue that interactions with politicians on SNS affect trust in government through a two-step process: First, interactions on SNS make citizens evaluate politicians’ characters more favorably. Second, these evaluations serve as cues for the citizens to develop or withdraw trust in government. We test indirect effects using four character traits as mediators: leadership, benevolence, responsiveness, and likeability. A representative online survey (n = 1117; in Germany) reveals that interactions with politicians on SNS increase the perceived likeability of candidates, and thus also trust in government. However, they do not affect the evaluation of the other traits: leadership, benevolence, and responsiveness.
Published: 2021

18. Trust in government: What's news media got to do with it?

Author: Marcinkowski, Frank, Starke, Christopher, Marcinkowski, Frank, and Starke, Christopher
Abstract: In modern democracies, trust in government is a key indicator of political legitimacy and stability. Drawing from theories of media effects, we investigated whether using traditional media has a negative (media malaise hypothesis) or a positive (virtuous circle hypothesis) impact on trust in the national government. We used a serial mediation model involving evaluations of politicians and evaluations of the political process as mediators of how political communications influence trust in government. To test the model empirically, we conducted an online survey among 1 115 respondents in Germany. Results suggest that the use of traditional media to access political information has a direct positive impact on trust in government mediated by people’s evaluations of politicians and of the political process. We also found a positive serial mediation effect of using traditional media on trust in government mediated first by evaluations of politicians and second by evaluations of the political process.
Published: 2021

19. Inscription Issue 2: Holes

Author: Gill Partington, Adam Smyth, Simon Morris, Michael Marcinkowski, Galina Oustinova-Stjepanovic, Fiona Banner, Dianna Frid, Carla Nappi, Ian Truelove, Aleksandra Kaminska, Juliette De Maeyer, Paul Reynolds, Louis Lüthi, James Misson, Heather Wolfe, Craig Robertson, Deidre Lynch, Erica Baum, Miranda July, Harold Offeh, Carolyn Thompson, Christian Bök, Ricky Adam, Zara Worth, Fraser Muggeridge studio, Gill Partington, Adam Smyth, Simon Morris, Michael Marcinkowski, Galina Oustinova-Stjepanovic, Fiona Banner, Dianna Frid, Carla Nappi, Ian Truelove, Aleksandra Kaminska, Juliette De Maeyer, Paul Reynolds, Louis Lüthi, James Misson, Heather Wolfe, Craig Robertson, Deidre Lynch, Erica Baum, Miranda July, Harold Offeh, Carolyn Thompson, Christian Bök, Ricky Adam, Zara Worth, and Fraser Muggeridge studio
Abstract: – Waiter! I don’t like cheese with holes! – Don’t worry, Sir. Just eat the cheese and leave the holes at the side of the plate. American minimalist artist Carl Andre (b. 1935) has not publicly expressed his feelings about Emmental, but he did once make this statement: ‘A thing is a hole in the thing it is not’. It’s a dictum that seems to have as much to say about the nature of holes as it does about the nature of things. In other words, doesn’t the converse logic apply: If a thing is a hole, then surely a hole is also a thing? Not simply an absence or a void, a hole is a material fact. It’s this ‘thingness’ of holes that issue 2 of Inscription is concerned with. Scholars of the material text have been focused on the physical characteristics of the page, poring over the details of paper stock, parchment making and book construction. But in the process they are also confronted routinely with holes – needleholes made in order to stitch pages together; tunnels made by bookworms and other pests; large irregular gaps as a result of flaws in the animal hide; pinpricks used by medieval scribes to mark out the layout of a manuscript page. Historically, the text is riddled with holes. They are not aberrations or quirks so much as integral features. The evolution of the book is unthinkable without them. We must have holes…, https://www.librarystack.org/inscription-issue-2-holes/?ref=unknown
Published: 2021

20. Determinacy of Real Conjunctive Queries. The Boolean Case

Author: Kwiecień, Jarosław, Marcinkowski, Jerzy, Ostropolski-Nalewaja, Piotr, Kwiecień, Jarosław, Marcinkowski, Jerzy, and Ostropolski-Nalewaja, Piotr
Abstract: In their classical 1993 paper [CV93] Chaudhuri and Vardi notice that some fundamental database theory results and techniques fail to survive when we try to see query answers as bags (multisets) of tuples rather than as sets of tuples. But disappointingly, almost 30 years after [CV93], the bag-semantics based database theory is still in its infancy. We do not even know whether conjunctive query containment is decidable. And this is not due to lack of interest, but because, in the multiset world, everything suddenly gets discouragingly complicated. In this paper, we try to re-examine, in the bag semantics scenario, the query determinacy problem, which has recently been intensively studied in the set semantics scenario. We show that query determinacy (under bag semantics) is decidable for boolean conjunctive queries and undecidable for unions of such queries (in contrast to the set semantics scenario, where the UCQ case remains decidable even for unary queries). We also show that -- surprisingly -- for path queries determinacy under bag semantics coincides with determinacy under set semantics (and thus it is decidable).
Published: 2021

21. Online Facility Location with Linear Delay

Author: Bienkowski, Marcin, Böhm, Martin, Byrka, Jarosław, Marcinkowski, Jan, Bienkowski, Marcin, Böhm, Martin, Byrka, Jarosław, and Marcinkowski, Jan
Abstract: We study the problem of online facility location with delay. In this problem, a sequence of $n$ clients appear in the metric space, and they need to be eventually connected to some open facility. The clients do not have to be connected immediately, but such a choice comes with a penalty: each client incurs a waiting cost (the difference between its arrival and connection time). At any point in time, an algorithm may decide to open a facility and connect any subset of clients to it. This is a well-studied problem both of its own, and within the general class of network design problems with delays. Our main focus is on a new variant of this problem, where clients may be connected also to an already open facility, but such action incurs an extra cost: an algorithm pays for waiting of the facility (a cost incurred separately for each such "late" connection). This is reminiscent of online matching with delays, where both sides of the connection incur a waiting cost. We call this variant two-sided delay to differentiate it from the previously studied one-sided delay. We present an $O(1)$-competitive deterministic algorithm for the two-sided delay variant. On the technical side, we study a greedy strategy, which grows budgets with increasing waiting delays and opens facilities for subsets of clients once sums of these budgets reach certain thresholds. Our technique is a substantial extension of the approach used by Jain, Mahdian and Saberi [STOC 2002] for analyzing the performance of offline algorithms for facility location. We then show how to transform our $O(1)$-competitive algorithm for the two-sided delay variant to $O(\log n / \log \log n)$-competitive deterministic algorithm for one-sided delays. We note that all previous online algorithms for problems with delays in general metrics have at least logarithmic ratios.
Published: 2021

22. Inscription Issue 2: Holes

Author: Gill Partington, Adam Smyth, Simon Morris, Michael Marcinkowski, Galina Oustinova-Stjepanovic, Fiona Banner, Dianna Frid, Carla Nappi, Ian Truelove, Aleksandra Kaminska, Juliette De Maeyer, Paul Reynolds, Louis Lüthi, James Misson, Heather Wolfe, Craig Robertson, Deidre Lynch, Erica Baum, Miranda July, Harold Offeh, Carolyn Thompson, Christian Bök, Ricky Adam, Zara Worth, Fraser Muggeridge studio, Gill Partington, Adam Smyth, Simon Morris, Michael Marcinkowski, Galina Oustinova-Stjepanovic, Fiona Banner, Dianna Frid, Carla Nappi, Ian Truelove, Aleksandra Kaminska, Juliette De Maeyer, Paul Reynolds, Louis Lüthi, James Misson, Heather Wolfe, Craig Robertson, Deidre Lynch, Erica Baum, Miranda July, Harold Offeh, Carolyn Thompson, Christian Bök, Ricky Adam, Zara Worth, and Fraser Muggeridge studio
Abstract: – Waiter! I don’t like cheese with holes! – Don’t worry, Sir. Just eat the cheese and leave the holes at the side of the plate. American minimalist artist Carl Andre (b. 1935) has not publicly expressed his feelings about Emmental, but he did once make this statement: ‘A thing is a hole in the thing it is not’. It’s a dictum that seems to have as much to say about the nature of holes as it does about the nature of things. In other words, doesn’t the converse logic apply: If a thing is a hole, then surely a hole is also a thing? Not simply an absence or a void, a hole is a material fact. It’s this ‘thingness’ of holes that issue 2 of Inscription is concerned with. Scholars of the material text have been focused on the physical characteristics of the page, poring over the details of paper stock, parchment making and book construction. But in the process they are also confronted routinely with holes – needleholes made in order to stitch pages together; tunnels made by bookworms and other pests; large irregular gaps as a result of flaws in the animal hide; pinpricks used by medieval scribes to mark out the layout of a manuscript page. Historically, the text is riddled with holes. They are not aberrations or quirks so much as integral features. The evolution of the book is unthinkable without them. We must have holes…, https://www.librarystack.org/inscription-issue-2-holes/?ref=unknown
Published: 2021

23. The anti-crisis policy of the European Union in the face of a pandemic SARS CoV-2 in the area of public health in 2020. In search of functional solutions

Author: Marcinkowski, Tomasz and Marcinkowski, Tomasz
Abstract: The pandemic crisis has created completely new challenges for the European Union. The question has arisen as to what should be the appropriate response to a threat to the life and health of Europeans. At which level should strategic action be taken: European or national. However, with the development of the pandemic, its cross-border and unprecedented nature, many citizens started to expect action from the EU institutions. This paper presents the public health response of the European Union to the pandemic crisis in the first year of the pandemic. It presents the main directions of proposed actions, based on the analysis of EU documents. It shows how functional solutions were sought during the implementation of anti-crisis actions. Additionally, it presents how the pandemic has influenced the development of EU health policy (e.g. EU4Health or pharmaceutical strategy)., Kryzys pandemiczny postawił przed Unią Europejką zupełnie nowe wyzwania. Pojawiło się pytanie o to jaka powinna być właściwa reakcja na zagrożenie dotyczące życia i zdrowia Europejczyków. Na jakim poziomie powinny być podejmowane strategiczne działania: europejskim czy krajowym. Wraz z rozwojem pandemii, jej transgranicznym i bezprecedensowym charakterem pojawiło się jednak wyczekiwanie działań ze strony instytucji unijnych. W artykule ukazano reakcję Unii Europejskiej w obszarze zdrowia publicznego na kryzys pandemiczny w pierwszym roku pandemii. W oparciu o analizę dokumentów unijnych przedstawiono główne kierunki proponowanych działań. Ukazano w jaki sposób poszukiwano rozwiązań funkcjonalnych w trakcie realizacji działań antykryzysowych. Dodatkowo przedstawiono w jaki sposób pandemia miała wpływ na rozwój unijnej polityki zdrowotnej (np. EU4Health czy strategię farmaceutyczną).
Published: 2021

24. Fairness Perceptions of Algorithmic Decision-Making: A Systematic Review of the Empirical Literature

Author: Starke, Christopher, Baleis, Janine, Keller, Birte, Marcinkowski, Frank, Starke, Christopher, Baleis, Janine, Keller, Birte, and Marcinkowski, Frank
Abstract: Algorithmic decision-making (ADM) increasingly shapes people's daily lives. Given that such autonomous systems can cause severe harm to individuals and social groups, fairness concerns have arisen. A human-centric approach demanded by scholars and policymakers requires taking people's fairness perceptions into account when designing and implementing ADM. We provide a comprehensive, systematic literature review synthesizing the existing empirical insights on perceptions of algorithmic fairness from 39 empirical studies spanning multiple domains and scientific disciplines. Through thorough coding, we systemize the current empirical literature along four dimensions: (a) algorithmic predictors, (b) human predictors, (c) comparative effects (human decision-making vs. algorithmic decision-making), and (d) consequences of ADM. While we identify much heterogeneity around the theoretical concepts and empirical measurements of algorithmic fairness, the insights come almost exclusively from Western-democratic contexts. By advocating for more interdisciplinary research adopting a society-in-the-loop framework, we hope our work will contribute to fairer and more responsible ADM.
Published: 2021

25. Additive Average Schwarz Method for Elliptic Mortar Finite Element Problems with Highly Heterogeneous Coefficients

Author: Khademi, Ali, Marcinkowski, Leszek, Acharya, Sanjib Kumar, Rahman, Talal, Khademi, Ali, Marcinkowski, Leszek, Acharya, Sanjib Kumar, and Rahman, Talal
Abstract: In this paper, we extend the additive average Schwarz method to solve second order elliptic boundary value problems with heterogeneous coefficients inside the subdomains and across their interfaces by the mortar technique, where the mortar finite element discretization is on nonmatching meshes. In this two-level method, we enrich the coarse space in two different ways, i.e., by adding eigenfunctions of two variants of the generalized eigenvalue problems. We prove that the condition numbers of the systems of algebraic equations resulting from the extended additive average Schwarz method, corresponding to both coarse spaces, are of the order O(H/h) and independent of jumps in the coefficients, where H and h are the mesh parameters., Comment: 23 pages, 6 figures
Published: 2021

26. The impact of climate change on flow conditions and wetland ecosystems in the Lower Biebrza River (Poland)

Author: Environmental Sciences, Mirosław-Świątek, Dorota, Marcinkowski, Paweł, Kochanek, Krzysztof, Wassen, Martin J., Environmental Sciences, Mirosław-Świątek, Dorota, Marcinkowski, Paweł, Kochanek, Krzysztof, and Wassen, Martin J.
Published: 2020

27. What Makes a Variant of Query Determinacy (Un)Decidable? (Invited Talk)

Author: Marcinkowski, Jerzy and Marcinkowski, Jerzy
Abstract: This paper was written as the companion paper of the ICDT 2020 invited tutorial. Query determinacy is a broad topic, with literally hundreds of papers published since late 1980s. This paper is not going to be a "survey" but rather a personal perspective of a person somehow involved in the recent developments in the area. First I explain how, in the last 30+ years, the question of determinacy was formalized. There are many parameters here: obviously one needs to choose the query language of the available views and the query language of the query itself. But - surprisingly - there is also some choice regarding what the word "to compute" actually means in this context. Then I concentrate on certain variants of the decision problem of determinacy (for each choice of parameters there is one such problem) and explain how I understand the mechanisms rendering such variants of determinacy decidable or undecidable. This is on a rather informal level. No really new theorems are presented, but I show some improvements of existing theorems and also simplified proofs of some of the earlier results.
Published: 2020
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28. No Industry Entry for Girls – Is Computer Science A Boy’s Club?

Author: Marcinkowski, Bartosz, Plotka, Gosia, Marcinkowski, Bartosz, and Plotka, Gosia
Published: 2020

29. Computer Ethics in Bricks

Author: Marcinkowski, Bartosz, Plotka, Gosia, Marcinkowski, Bartosz, and Plotka, Gosia
Published: 2020

30. No Industry Entry for Girls – Is Computer Science A Boy’s Club?

Author: Marcinkowski, Bartosz, Plotka, Gosia, Marcinkowski, Bartosz, and Plotka, Gosia
Published: 2020

31. Computer Ethics in Bricks

Author: Marcinkowski, Bartosz, Plotka, Gosia, Marcinkowski, Bartosz, and Plotka, Gosia
Published: 2020

32. The impact of climate change on flow conditions and wetland ecosystems in the Lower Biebrza River (Poland)

Author: Environmental Sciences, Mirosław-Świątek, Dorota, Marcinkowski, Paweł, Kochanek, Krzysztof, Wassen, Martin J., Environmental Sciences, Mirosław-Świątek, Dorota, Marcinkowski, Paweł, Kochanek, Krzysztof, and Wassen, Martin J.
Published: 2020

33. No Industry Entry for Girls – Is Computer Science A Boy’s Club?

Author: Marcinkowski, Bartosz, Plotka, Gosia, Marcinkowski, Bartosz, and Plotka, Gosia
Published: 2020

34. The impact of climate change on flow conditions and wetland ecosystems in the Lower Biebrza River (Poland)

Author: Environmental Sciences, Mirosław-Świątek, Dorota, Marcinkowski, Paweł, Kochanek, Krzysztof, Wassen, Martin J., Environmental Sciences, Mirosław-Świątek, Dorota, Marcinkowski, Paweł, Kochanek, Krzysztof, and Wassen, Martin J.
Published: 2020

35. Online Dynamic B-Matching With Applications to Reconfigurable Datacenter Networks

Author: Bienkowski, Marcin, Fuchssteiner, David, Marcinkowski, Jan, Schmid, Stefan, Bienkowski, Marcin, Fuchssteiner, David, Marcinkowski, Jan, and Schmid, Stefan
Abstract: This paper initiates the study of online algorithms for the maximum weight $b$-matching problem, a generalization of maximum weight matching where each node has at most $b \geq 1$ adjacent matching edges. The problem is motivated by emerging optical technologies which allow to enhance datacenter networks with reconfigurable matchings, providing direct connectivity between frequently communicating racks. These additional links may improve network performance, by leveraging spatial and temporal structure in the workload. We show that the underlying algorithmic problem features an intriguing connection to online paging (a.k.a. caching), but introduces a novel challenge. Our main contribution is an online algorithm which is $O(b)$-competitive; we also prove that this is asymptotically optimal. We complement our theoretical results with extensive trace-driven simulations, based on real-world datacenter workloads as well as synthetic traffic traces.
Published: 2020

36. The Threats of Artificial Intelligence Scale (TAI). Development, Measurement and Test Over Three Application Domains

Author: Kieslich, Kimon, Lünich, Marco, Marcinkowski, Frank, Kieslich, Kimon, Lünich, Marco, and Marcinkowski, Frank
Abstract: In recent years Artificial Intelligence (AI) has gained much popularity, with the scientific community as well as with the public. AI is often ascribed many positive impacts for different social domains such as medicine and the economy. On the other side, there is also growing concern about its precarious impact on society and individuals. Several opinion polls frequently query the public fear of autonomous robots and artificial intelligence (FARAI), a phenomenon coming also into scholarly focus. As potential threat perceptions arguably vary with regard to the reach and consequences of AI functionalities and the domain of application, research still lacks necessary precision of a respective measurement that allows for wide-spread research applicability. We propose a fine-grained scale to measure threat perceptions of AI that accounts for four functional classes of AI systems and is applicable to various domains of AI applications. Using a standardized questionnaire in a survey study (N=891), we evaluate the scale over three distinct AI domains (loan origination, job recruitment and medical treatment). The data support the dimensional structure of the proposed Threats of AI (TAI) scale as well as the internal consistency and factoral validity of the indicators. Implications of the results and the empirical application of the scale are discussed in detail. Recommendations for further empirical use of the TAI scale are provided.
Published: 2020
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37. A Journey to the Frontiers of Query Rewritability

Author: Ostropolski-Nalewaja, Piotr, Marcinkowski, Jerzy, Carral, David, Rudolph, Sebastian, Ostropolski-Nalewaja, Piotr, Marcinkowski, Jerzy, Carral, David, and Rudolph, Sebastian
Abstract: This paper is about (first order) query rewritability in the context of theory-mediated query answering. The starting point of our journey is the FUS/FES conjecture, saying that if a theory is core-terminating (FES) and admits query rewriting (BDD, FUS) then it is uniformly bounded. We show that this conjecture is true for a wide class of "local" BDD theories. Then we ask how non-local can a BDD theory actually be and we discover phenomena which we think are quite counter-intuitive., Comment: Removed faulty observation, fixed everything that depended on it
Published: 2020

38. To Close Is Easier Than To Open: Dual Parameterization To k-Median

Author: Byrka, Jarosław, Dudycz, Szymon, Manurangsi, Pasin, Marcinkowski, Jan, Włodarczyk, Michał, Byrka, Jarosław, Dudycz, Szymon, Manurangsi, Pasin, Marcinkowski, Jan, and Włodarczyk, Michał
Abstract: The $k$-Median problem is one of the well-known optimization problems that formalize the task of data clustering. Here, we are given sets of facilities $F$ and clients $C$, and the goal is to open $k$ facilities from the set $F$, which provides the best division into clusters, that is, the sum of distances from each client to the closest open facility is minimized. In the Capacitated $k$-Median, the facilities are also assigned capacities specifying how many clients can be served by each facility. Both problems have been extensively studied from the perspective of approximation algorithms. Recently, several surprising results have come from the area of parameterized complexity, which provided better approximation factors via algorithms with running times of the form $f(k)\cdot poly(n)$. In this work, we extend this line of research by studying a different choice of parameterization. We consider the parameter $\ell = |F| - k$, that is, the number of facilities that remain closed. It turns out that such a parameterization reveals yet another behavior of $k$-Median. We observe that the problem is W[1]-hard but it admits a parameterized approximation scheme. Namely, we present an algorithm with running time $2^{O(\ell\log(\ell/\epsilon))}\cdot poly(n)$ that achieves a $(1+\epsilon)$-approximation. On the other hand, we show that under the assumption of Gap Exponential Time Hypothesis, one cannot extend this result to the capacitated version of the problem., Comment: Appeared at WAOA 2020
Published: 2020

39. Iterative regularization algorithms for image denoising with the TV-Stokes model

Author: Wu, Bin, Marcinkowski, Leszek, Tai, Xue-Cheng, Rahman, Talal, Wu, Bin, Marcinkowski, Leszek, Tai, Xue-Cheng, and Rahman, Talal
Abstract: We propose a set of iterative regularization algorithms for the TV-Stokes model to restore images from noisy images with Gaussian noise. These are some extensions of the iterative regularization algorithm proposed for the classical Rudin-Osher-Fatemi (ROF) model for image reconstruction, a single step model involving a scalar field smoothing, to the TV-Stokes model for image reconstruction, a two steps model involving a vector field smoothing in the first and a scalar field smoothing in the second. The iterative regularization algorithms proposed here are Richardson's iteration like. We have experimental results that show improvement over the original method in the quality of the restored image. Convergence analysis and numerical experiments are presented.
Published: 2020

40. Detailed polarization measurements of the prompt emission of five Gamma-Ray Bursts

Author: Zhang, Shuang-Nan, Kole, Merlin, Bao, Tian-Wei, Batsch, Tadeusz, Bernasconi, Tancredi, Cadoux, Franck, Chai, Jun-Ying, Dai, Zi-Gao, Dong, Yong-Wei, Gauvin, Neal, Hajdas, Wojtek, Lan, Mi-Xiang, Li, Han-Cheng, Li, Lu, Li, Zheng-Heng, Liu, Jiang-Tao, Liu, Xin, Marcinkowski, Radoslaw, Orsi, Silvio, Produit, Nicolas, Pohl, Martin, Rybka, Dominik, Shi, Hao-Li, Song, Li-Ming, Sun, Jian-Chao, Szabelski, Jacek, Tymieniecka, Teresa, Wang, Rui-Jie, Wang, Yuan-Hao, Wen, Xing, Wu, Bo-Bing, Wu, Xin, Wu, Xue-Feng, Xiao, Hua-Lin, Xiong, Shao-Lin, Zhang, Lai-Yu, Zhang, Li, Zhang, Xiao-Feng, Zhang, Yong-Jie, Zwolinska, Anna, Zhang, Shuang-Nan, Kole, Merlin, Bao, Tian-Wei, Batsch, Tadeusz, Bernasconi, Tancredi, Cadoux, Franck, Chai, Jun-Ying, Dai, Zi-Gao, Dong, Yong-Wei, Gauvin, Neal, Hajdas, Wojtek, Lan, Mi-Xiang, Li, Han-Cheng, Li, Lu, Li, Zheng-Heng, Liu, Jiang-Tao, Liu, Xin, Marcinkowski, Radoslaw, Orsi, Silvio, Produit, Nicolas, Pohl, Martin, Rybka, Dominik, Shi, Hao-Li, Song, Li-Ming, Sun, Jian-Chao, Szabelski, Jacek, Tymieniecka, Teresa, Wang, Rui-Jie, Wang, Yuan-Hao, Wen, Xing, Wu, Bo-Bing, Wu, Xin, Wu, Xue-Feng, Xiao, Hua-Lin, Xiong, Shao-Lin, Zhang, Lai-Yu, Zhang, Li, Zhang, Xiao-Feng, Zhang, Yong-Jie, and Zwolinska, Anna
Abstract: Gamma-ray bursts are the strongest explosions in the Universe since the Big Bang, believed to be produced either in forming black holes at the end of massive star evolution or merging of compact objects. Spectral and timing properties of gamma-ray bursts suggest that the observed bright gamma-rays are produced in the most relativistic jets in the Universe; however, the physical properties, especially the structure and magnetic topologies in the jets are still not well known, despite several decades of studies. It is widely believed that precise measurements of the polarization properties of gamma-ray bursts should provide crucial information on the highly relativistic jets. As a result there have been many reports of gamma-ray burst polarization measurements with diverse results, see, however many such measurements suffered from substantial uncertainties, mostly systematic. After the first successful measurements by the GAP and COSI instruments, here we report a statistically meaningful sample of precise polarization measurements, obtained with the dedicated gamma-ray burst polarimeter, POLAR onboard China's Tiangong-2 spacelab. Our results suggest that the gamma-ray emission is at most polarized at a level lower than some popular models have predicted; although our results also show intrapulse evolution of the polarization angle. This indicates that the low polarization degrees could be due to an evolving polarization angle during a gamma-ray burst., Comment: 34 pages, 15 figures (16 pages and 3 figures without supplementary information). Accepted for publication in Nature Astronomy, http://dx.doi.org/10.1038/s41550-018-0664-0
Published: 2019
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41. The First Order Truth Behind Undecidability of Regular Path Queries Determinacy

Author: Gluch, Grzegorz, Marcinkowski, Jerzy, Ostropolski-Nalewaja, Piotr, Gluch, Grzegorz, Marcinkowski, Jerzy, and Ostropolski-Nalewaja, Piotr
Abstract: In our paper [Gluch, Marcinkowski, Ostropolski-Nalewaja, LICS ACM, 2018] we have solved an old problem stated in [Calvanese, De Giacomo, Lenzerini, Vardi, SPDS ACM, 2000] showing that query determinacy is undecidable for Regular Path Queries. Here a strong generalisation of this result is shown, and - we think - a very unexpected one. We prove that no regularity is needed: determinacy remains undecidable even for finite unions of conjunctive path queries.
Published: 2019
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42. Constant-Factor FPT Approximation for Capacitated k-Median

Author: Adamczyk, Marek, Byrka, Jaroslaw, Marcinkowski, Jan, Meesum, Syed M., Wlodarczyk, Michal, Adamczyk, Marek, Byrka, Jaroslaw, Marcinkowski, Jan, Meesum, Syed M., and Wlodarczyk, Michal
Abstract: Capacitated k-median is one of the few outstanding optimization problems for which the existence of a polynomial time constant factor approximation algorithm remains an open problem. In a series of recent papers algorithms producing solutions violating either the number of facilities or the capacity by a multiplicative factor were obtained. However, to produce solutions without violations appears to be hard and potentially requires different algorithmic techniques. Notably, if parameterized by the number of facilities k, the problem is also W[2] hard, making the existence of an exact FPT algorithm unlikely. In this work we provide an FPT-time constant factor approximation algorithm preserving both cardinality and capacity of the facilities. The algorithm runs in time 2^O(k log k) n^O(1) and achieves an approximation ratio of 7+epsilon.
Published: 2019
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43. Detailed polarization measurements of the prompt emission of five Gamma-Ray Bursts

Author: Zhang, Shuang-Nan, Kole, Merlin, Bao, Tian-Wei, Batsch, Tadeusz, Bernasconi, Tancredi, Cadoux, Franck, Chai, Jun-Ying, Dai, Zi-Gao, Dong, Yong-Wei, Gauvin, Neal, Hajdas, Wojtek, Lan, Mi-Xiang, Li, Han-Cheng, Li, Lu, Li, Zheng-Heng, Liu, Jiang-Tao, Liu, Xin, Marcinkowski, Radoslaw, Orsi, Silvio, Produit, Nicolas, Pohl, Martin, Rybka, Dominik, Shi, Hao-Li, Song, Li-Ming, Sun, Jian-Chao, Szabelski, Jacek, Tymieniecka, Teresa, Wang, Rui-Jie, Wang, Yuan-Hao, Wen, Xing, Wu, Bo-Bing, Wu, Xin, Wu, Xue-Feng, Xiao, Hua-Lin, Xiong, Shao-Lin, Zhang, Lai-Yu, Zhang, Li, Zhang, Xiao-Feng, Zhang, Yong-Jie, Zwolinska, Anna, Zhang, Shuang-Nan, Kole, Merlin, Bao, Tian-Wei, Batsch, Tadeusz, Bernasconi, Tancredi, Cadoux, Franck, Chai, Jun-Ying, Dai, Zi-Gao, Dong, Yong-Wei, Gauvin, Neal, Hajdas, Wojtek, Lan, Mi-Xiang, Li, Han-Cheng, Li, Lu, Li, Zheng-Heng, Liu, Jiang-Tao, Liu, Xin, Marcinkowski, Radoslaw, Orsi, Silvio, Produit, Nicolas, Pohl, Martin, Rybka, Dominik, Shi, Hao-Li, Song, Li-Ming, Sun, Jian-Chao, Szabelski, Jacek, Tymieniecka, Teresa, Wang, Rui-Jie, Wang, Yuan-Hao, Wen, Xing, Wu, Bo-Bing, Wu, Xin, Wu, Xue-Feng, Xiao, Hua-Lin, Xiong, Shao-Lin, Zhang, Lai-Yu, Zhang, Li, Zhang, Xiao-Feng, Zhang, Yong-Jie, and Zwolinska, Anna
Abstract: Gamma-ray bursts are the strongest explosions in the Universe since the Big Bang, believed to be produced either in forming black holes at the end of massive star evolution or merging of compact objects. Spectral and timing properties of gamma-ray bursts suggest that the observed bright gamma-rays are produced in the most relativistic jets in the Universe; however, the physical properties, especially the structure and magnetic topologies in the jets are still not well known, despite several decades of studies. It is widely believed that precise measurements of the polarization properties of gamma-ray bursts should provide crucial information on the highly relativistic jets. As a result there have been many reports of gamma-ray burst polarization measurements with diverse results, see, however many such measurements suffered from substantial uncertainties, mostly systematic. After the first successful measurements by the GAP and COSI instruments, here we report a statistically meaningful sample of precise polarization measurements, obtained with the dedicated gamma-ray burst polarimeter, POLAR onboard China's Tiangong-2 spacelab. Our results suggest that the gamma-ray emission is at most polarized at a level lower than some popular models have predicted; although our results also show intrapulse evolution of the polarization angle. This indicates that the low polarization degrees could be due to an evolving polarization angle during a gamma-ray burst., Comment: 34 pages, 15 figures (16 pages and 3 figures without supplementary information). Accepted for publication in Nature Astronomy, http://dx.doi.org/10.1038/s41550-018-0664-0
Published: 2019
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44. MATLAB Implementation of Element-based Solvers

Author: Marcinkowski, Leszek, Valdman, Jan, Marcinkowski, Leszek, and Valdman, Jan
Abstract: Rahman and Valdman (2013) introduced a vectorized way to assemble finite element stiffness and mass matrices in MATLAB. Local element matrices are computed all at once by array operations and stored in multi-dimentional arrays (matrices). We build some iterative solvers on available multi-dimentional structures completely avoiding the use of a sparse matrix., Comment: 8 pages, 3 figures, conference LSSC 2019, Sozopol, Bulgaria, to appear as Springer LNCS 11958
Published: 2019

45. Migration crisis versus the control of the borderlines within the European Union

Author: Marcinkowski, Tomasz and Marcinkowski, Tomasz
Abstract: Freedom of movement is one of the basic achievements and effects of the European integration process. Benefiting from this freedom has become an important experience for millions of the Europeans. Crisis phenomena, mainly related to the migration breakdown, revealed institutional and legal problems and had an impact on public opinion. The sense of threat and political and organizational difficulties led to the decision to reinstate control on the internal borders in many places in the EU. As it appears from nationwide surveys, there is also acceptance in Poland of such activities. Research conducted on the Polish-German borderland indicates that also the inhabitants of these areas support such decisions, but the degree of acceptance of the restoration of border control is lower here than in national surveys., Swoboda przemieszczania się jest jednym z podstawowych osiągnięć oraz efektów procesu integracji europejskiej. Korzystanie z tej wolności stało się ważnym doświadczeniem milionów Europejczyków. Zjawiska kryzysowe, związane przede wszystkim z kryzysem migracyjnym ukazały problemy instytucjonalno-prawne oraz miały wpływ na opinię publiczną. Poczucie zagrożenia i trudności polityczne i organizacyjne doprowadziły do decyzji o przywróceniu kontroli na wewnętrznych granicach w wielu miejscach UE. Jak wynika z badań ogólnopolskich, także w naszym kraju jest akceptacja takich działań. Badania przeprowadzone na pograniczu polsko-niemieckim wskazują, że także mieszkańcy tych terenów popierają takie decyzje, jednak stopień akceptacji przywracania kontroli granicznych jest tu mniejszy niż w badaniach ogólnopolskich.
Published: 2019

46. Clinical and genetic characteristics of late-onset Huntington's disease

Author: Oosterloo, Mayke, Bijlsma, Emilia K., van Kuijk, Sander MJ., Minkels, Floor, de Die-Smulders, Christine EM., Bachoud-Lévi, Anne-Catherine, Bentivoglio, Anna-Rita, Biunno, Ida, Bonelli, Raphael M., Bronzova, Juliana, Burgunder, Jean-Marc, Dunnett, Stephen B., Ferreira, Joaquim J., Frich, Jan, Giuliano, Joe, Handley, Olivia J., Heiberg, Arvid, Illarioshkin, Sergey, Illmann, Torsten, Klempir, Jiri, Landwehrmeyer, G. Bernhard, Levey, Jamie, McLean, Tim, Nielsen, Jørgen E., Koivisto, Susana Pro, Päivärinta, Markku, Pålhagen, Sven, Quarrell, Oliver, Ramos-Arroyo, Maria, Roos, Raymund A. C., Saft, Carsten, Sebastián, Ana Rojo, Tabrizi, Sarah J., Vandenberghe, Wim, Verellen-Dumoulin, Christine, Uhrova, Tereza, Wahlström+, Jan, Zaremba, Jacek (formerly, Rödig, Verena, Baake, Barth, Katrin, Garde, Monica Bascuñana, Becanovic, Kristina, Bernard, Tomáš, Betz, Sabrina, Bos, Reineke, Come, Adrien, Guedes, Leonor Correia, Callaghan, Jenny, Capodarca, Selene, Charpentier, Sébastien, Vieira da Silva, Wildson, Di Renzo, Martina, Ecker, Daniel, Finisterra, Ana Maria, Fullam, Ruth, Genoves, Camille, Gilling, Mette, Horta, Andrea, Hvalstedt, Carina, Held, Christine, Hussain, Hasina, Koppers, Kerstin, Lamanna, Claudia, Laurà, Matilde, Descals, Asunción Martínez, Martinez-Horta, Saul, Mestre, Tiago, Minster, Sara, Monza, Daniela, Münkel, Kristina, Mütze, Lisanne, Oehmen, Martin, Padieu, Helene, Paterski, Laurent, Peppa, Nadia, Rindal, Beate, Rogers, Dawn, Røren (formerly Heinonen), Niini, Salgueiro, Ana, Šašinková, Pavla, Seliverstov, Yury, Taylor, Catherine, Timewell, Erika, Townhill, Jenny, Cubillo, Patricia Trigo, van Walsem, Marleen R., Witjes-Ané, Marie-Noelle, Witkowski, Grzegorz, Wright, Abigail, Yudina, Elizaveta, Zielonka, Daniel, Zielonka, Eugeniusz, Zinzi, Paola, Hecht, Karen, Herranhof, Brigitte, Holl (formerly Hödl), Anna, Kapfhammer, Hans-Peter, Koppitz, Michael, Lilek, Sabine, Magnet, Marku, Müller, Nicole, Otti, Daniela, Painold, Annamaria, Reisinger, Karin, Scheibl, Monika, Schöggl, Helmut, Ullah, Jasmin, Braunwarth, Eva-Maria, Brugger, Florian, Buratti, Lisa, Hametner, Eva-Maria, Hepperger, Caroline, Holas, Christiane, Hotter, Anna, Hussl, Anna, Larcher, Barbara, Mahlknecht, Philipp, Müller, Christoph, Pinter, Bernadette, Poewe, Werner, Reiter, Eva-Magdalena, Seppi, Klau, Sprenger, Fabienne, Wenning, Gregor, Ladurner, Gunther, Lilek, Stefan, Sinadinosa, Daniela, Staffen, Wolfgang, Walleczek, Anna Maria, Linder, Christoph, Pirker, Walter, Liessens, Dirk, Calmeyn, Godelinde, Somers, Nele, Delvaux, Isabelle, Boogaerts, Andrea, Flamez, Anja, de Raedt, Sylvie, Alaerts, Nick, Slama, Hichem, Supiot, Frédéric, Constant, Eric, Gillardin, Anne-Françoise, Léonard, Marie-Claude, van de Wyngaerde, Françoise, Dupuis, Michel, Minet, Cécile, Ribaï, Pascale, Van Paemel, Dominique, van Reijen, Dimphna, Weckx, Petra, Kaiserova, Michaela, Šenkárová, Zuzana, Bezdíček, Ondřej, Klempíř, Jiří, Klempířová, Olga, Majerová-Ibarburu, Veronika, Nikolai, Tomáš, Roth, Jan, Stárková, Irena, Madsen, Louise Hasselstrøm, Møller, Anette Torvin, Hjermind, Lena, Jacobsen, Oda, Larsen, Ida Unmack, Lindquist, Suzanne, Nielsen, Jørgen, Regeur, Lisbeth, Roos, Peter, Stockholm, Jette, Vangsted-Hansen, Christina, Vinther-Jensen, Tua, Lolk, Annette, Lundsgaard, Marianne, Wermuth, Lene, Andersson, Christian, Nyberg, Clara, Sundblom, Jimmy, Peippo, Maarit, Sipponen, Marjatta, Bruun, Anu, Hartikainen, Paivi, Mäkipää, Seija, Ollokainen, Mari, Åman, Jaana, Kärppä, Mikko, Ignatius, Jaakko, Jääskeläinen, Outi, Kajula, Outi, Moilanen, Jukka, Mustonen, Aki, Santala, Maire, Eklund, Pia, Hiivola, Heli, Hyppönen, Hannele, Martikainen, Kirsti, Ojala, Marjut, Tähkäpää, Sirkku, Tuuha, Katri, Allain, Philippe, Bonneau, Dominique, Bost, Marie, Gohier, Bénédicte, Guérid, Marie-Anne, Olivier, Audrey, Prouzet, Julie, Prundean, Adriana, Scherer-Gagou, Clarisse, Verny, Christophe, Babiloni, Blandine, Bled, Déborah, Debruxelles, Sabrina, Duché, Charlotte, Fraisse, Sonia, Goizet, Cyril, Jameau, Laetitia, Lafoucrière, Danielle, Spampinato, Umberto, Couttier, Julien, Debilly, Bérengère, Delaigue, Christine, Derost, Philippe, Durif, Franck, Germain, Véronique, Legendre, Perrine, Loiseau, Sylvie, Marques, Ana, Ulla, Miguel, Vidal, Tiphaine, Badei, Farideh, Boissé, Marie-Françoise, Boudali, Lotfi, Cleret de Langavant, Laurent, Lemoine, Laurie, Morgado, Graca, Youssov, Katia, Annic, Agnè, Barthélémy, Recka, De Bruycker, Christelle, Cabaret, Maryline, Carette, Anne-Sophie, Carrière, Nicola, Decorte, Eric, Defebvre, Luc, Delliaux, Marie, Delval, Arnaud, Depelchin, Alizé, Destee, Alain, Dewulf-Pasz, Nelly, Dondaine, Thibaut, Dugauquier, Florence, Dujardin, Kathy, Hopes, Lucie, Krystkowiak, Pierre, Lemaire, Marie-Hélène, Manouvrier, Sylvie, Mutez, Eugénie, Peter, Mireille, Plomhause, Lucie, Sablonnière, Bernard, Simonin, Clémence, Tard, Céline, Thibault-Tanchou, Stéphanie, Vuillaume, Isabelle, Bellonet, Marcellin, Blin, Stéphanie, Chen, Simone, Masmoudi, Kamel, Morin, Gille, Roussel, Martine, Tir, Mélissa, Schüler, Béatrice, Wannepain, Sandrine, Zouitina, Yassine, Azulay, Jean-Philippe, Delfini, Marie, Eusebio, Alexandre, Fluchere, Frédérique, Guenam, Aicha, Mundler, Laura, Nguyen, Karine, Benaich, Sandra, Brice, Alexi, Boster, Sarah, Charles, Perrine, Durr, Alexandra, Ewenczyk, Claire, Francisque, Hélène, Jauffret, Céline, Justo, Damian, Kassar, Abdulrahman, Klebe, Stephan, Lesne, Fabien, Milani, Paolo, Monin, Marie-Lorraine, Monnier, Tiffany, Roze, Emmanuel, 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Stamm, Christiane, Ganos, Christo, Stubbe, Lar, Tadic, Vera, Tübing, Jennifer, Lange, Herwig, Bosredon, Cecile, Hunger, Ulrike, Löhle, Matthia, Maass, Antonia, Ossig, Christiana, Schmidt, Simone, Storch, Alexander, Wolz, Annett, Wolz, Martin, Kohl, Zacharia, Kozay, Christina, Winkler, Jürgen, Bergmann, Ulrike, Böringer, Regina, Capetian, Philipp, Kammel, Gerit, Lambeck, Johann, Mächtel, Miriam, Meier, Simone, Rijntjes, Michel, Zucker, Birgit, Boelmans, Kai, Goerendt, Ine, Heinicke, Walburgi, Hidding, Ute, Lewerenz, Jan, Münchau, Alexander, Orth, Michael, Schmalfeld, Jenny, Zittel, Simone, Diercks, Gabriele, Dressler, Dirk, Francis, Flverly, Gayde-Stephan, Sabine, Gorzolla, Heike, Kramer, Bianca, Minschke, Rebecca, Schrader, Christoph, Tacik, Pawel, Ribbat+, Michael, Longinus, Bernhard, Möller, Carsten, Bürk, Katrin, Lüsebrink, Antje, Mühlau, Mark, Peinemann, Alexander, Städtler, Michael, Weindl, Adolf, Winkelmann, Juliane, Ziegler, Cornelia, Bechtel, Natalie, Beckmann, Heike, Bohlen, Stefan, Göpfert, Nicole, Hölzner, Eva, Reilmann, Ralf, Rohm, Stefanie, Rumpf, Silke, Schepers, Sigrun, Weber, Nathalia, Bachmeier, Michael, Dose, Matthia, Hofstetter, Nina, Marquard, Ralf, Mühlbäck, Alzbeta, Buck, Andrea, Connemann, Julia, Geitner, Carolin, Kesse, Andrea, Landwehrmeyer, Bernhard, Lezius, Franziska, Nepper, Solveig, Niess, Anke, Schneider, Ariane, Schwenk, Daniela, Süssmuth, Sigurd, Trautmann, Sonja, Vogel, Melanie, Weydt, Patrick, Musacchio, Thoma, Leypold, Christine, Nöth, Kerstin, Cormio, Claudia, Difruscolo, Olimpia, Franco, Giovanni, Nuzzi, Angela, Sciruicchio, Vittorio, Serpino, Claudia, de Tommaso, Marina, Calandra-Buonaura, Giovanna, Capellari, Sabina, Cortelli, Pietro, Gallassi, Roberto, Poda, Roberto, Scaglione, Cesa, Agosti, Chiara, Barlati, Sergio, Compostella, Silvia, Marchina, Eleonora, Padovani, Alessando, Figorilli, Michela, Marrosu, Francesco, Muroni, Antonella, Piras, Valeria, Vacca, Melisa, Bertini, Elisabetta, Bartoli, Caterina, 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E., van Vugt, Jeroen P. P., Marit de Weert, A., Verhoeven, Marloe, Dekker, Meike, Klooster, Jesper, Leenders, Nico, van Oostrom, Joost, Kremer, Berry, Baake, Verena, van den Bogaard, Simon J. A., Dumas, Eve M., t Hart, Ellen P., Hogenboom, Marye, Jacobs, Milou, Jurgens, Caroline, Kampstra, Anne, Schoonderbeek, Anne, Witjes-Ané, Marie-Noëlle, Duits, Annelien, Waber, Mirella, Verstappen, Carla, Blinkenberg, Ellen Økland, Hauge, Erik, Tyvoll, Hilde, Aaserud, Olaf, Aanonsen, Nils Olaf, Bjørgo, Kathrine, Borgerød, Nancy, Dramstad, Elisabeth, Fannemel, Madeleine, Frich, Jan C., Gørvell, Per F., Haggag, Kathrine, Johannessen, Cecilie Haggag, Retterstøl, Lar, Røsby, Oddveig, Rummel, Jutta, Sikiric, Alma, Stokke, Bodil, van Walsem, Marleen, Wehus, Ragnhild, Arntsen, Vibeke, Bjørnevoll, Inga, Sando, Sigrid Botne, Haug, Marte Gjøl, Størseth, Hanna Haugan, Østern, Rune, Paulsen, Julie, Dziadkiewicz, Artur, Konkel, Agnieszka, Narożańska, Ewa, Nowak, Malgorzata, Robowski, Piotr, Sitek, Emilia, Slawek, Jaroslaw, Soltan, Witold, Szinwelski, Michal, Arkuszewski, Michał, Błaszczyk, Magdalena, Boczarska-Jedynak, Magdalena, Ciach-Wysocka, Ewelina, Gorzkowska, Agnieszka, Jasińska-Myga, Barbara, Kaczmarczyk, Aleksandra, Kłodowska – Duda, Gabriela, Opala, Grzegorz, Rudzińska, Monika, Stompel, Daniel, Banaszkiewicz, Krzysztof, Boćwińska, Dorota, Bojakowska-Jaremek, Kamila, Dec, Małgorzata, Grabska, Natalia, Krawczyk, Malgorzata, Kubowicz, Ewelina, Malec-Litwinowicz, Michalina, Stenwak, Agata, Szczudlik, Andrzej, Szczygieł, Elżbieta, Wójcik, Magdalena, Wasielewska, Anna, Anna Bryl, Jacek Anioła, Ciesielska, Anna, Klimberg, Aneta, Marcinkowski, Jerzy, Samara, Husam, Sempołowicz, Justyna, Wiśniewski, Bartłomiej, Gogol (formerly Kalbarczyk), Anna, Janik, Piotr, Jamrozik, Zygmunt, Kaminska, Anna, Kwiecinski+, Hubert, Antczak, Jakub, Jachinska, Katarzyna, Krysa, Wioletta, Rakowicz, Maryla, Rola, Rafal, Ryglewicz, Danuta, Sienkiewicz-Jarosz, Halina, Stępniak, Iwona, Sułek, Anna, Zaremba, Jacek, Zdzienicka, Elzbieta, Ziora-Jakutowicz, Karolina, Januário, Cristina, Júlio, Filipa, Almeida, Manuel, Calado, Ana, Dias, Margarida, Morgado, Joana, Semedo, Cristina, Coelho, 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Casa, Tartari Díaz-Zorita, Juan Pablo, Catena, Judit López, Ferrer, Pilar Quiléz, Carruesco, Gemma Tome, Robert, Misericordia Floriach, Viladrich, Cèlia Mareca, Roca, Elvira, Ruiz Idiago, Jesús Miguel, Riballo, Antonio Villa, Campolongo, Antonia, Fernandez de Bobadilla, Ramon, Bojarsky, Jaime Kulisevsky, Pagonabarraga, Javier, Perez, Jesus Perez, Ribosa, Roser, Villa, Carolina, Acera Gil, Maria Angele, Corrales, Koldo Berganzo, Gomez Esteban, Juan Carlo, González, Amaia, Merino, Beatriz Tijero, Cubo, Esther, Polo, Cecilia Gil, Mariscal, Natividad, Sánchez, Jesú, Romero, Sandra Gutierrez, Arbelo, José Matía, Malo de Molina, Rocío, Martín, Idaira, Periañez, Juan Manuel, Udaeta, Beatriz, Alonso-Frech, Fernando, Loarte, María del Valle, Barrero, Francisco, Morales, Bla, Frades, Belén, Villanueva, Marina Ávila, Zea Sevilla, Maria Ascension, Fenollar, María del Mar, García-Ramos García, Rocío, Villanueva, Clara, Bascuñana, Mónica, Ventura, Marta Fatá, Caldentey, Juan 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Illarioshkin, Sergey, Illmann, Torsten, Klempir, Jiri, Landwehrmeyer, G. Bernhard, Levey, Jamie, McLean, Tim, Nielsen, Jørgen E., Koivisto, Susana Pro, Päivärinta, Markku, Pålhagen, Sven, Quarrell, Oliver, Ramos-Arroyo, Maria, Roos, Raymund A. C., Saft, Carsten, Sebastián, Ana Rojo, Tabrizi, Sarah J., Vandenberghe, Wim, Verellen-Dumoulin, Christine, Uhrova, Tereza, Wahlström+, Jan, Zaremba, Jacek (formerly, Rödig, Verena, Baake, Barth, Katrin, Garde, Monica Bascuñana, Becanovic, Kristina, Bernard, Tomáš, Betz, Sabrina, Bos, Reineke, Come, Adrien, Guedes, Leonor Correia, Callaghan, Jenny, Capodarca, Selene, Charpentier, Sébastien, Vieira da Silva, Wildson, Di Renzo, Martina, Ecker, Daniel, Finisterra, Ana Maria, Fullam, Ruth, Genoves, Camille, Gilling, Mette, Horta, Andrea, Hvalstedt, Carina, Held, Christine, Hussain, Hasina, Koppers, Kerstin, Lamanna, Claudia, Laurà, Matilde, Descals, Asunción Martínez, Martinez-Horta, Saul, Mestre, Tiago, Minster, Sara, Monza, Daniela, Münkel, Kristina, Mütze, Lisanne, Oehmen, Martin, Padieu, Helene, Paterski, Laurent, Peppa, Nadia, Rindal, Beate, Rogers, Dawn, Røren (formerly Heinonen), Niini, Salgueiro, Ana, Šašinková, Pavla, Seliverstov, Yury, Taylor, Catherine, Timewell, Erika, Townhill, Jenny, Cubillo, Patricia Trigo, van Walsem, Marleen R., Witjes-Ané, Marie-Noelle, Witkowski, Grzegorz, Wright, Abigail, Yudina, Elizaveta, Zielonka, Daniel, Zielonka, Eugeniusz, Zinzi, Paola, Hecht, Karen, Herranhof, Brigitte, Holl (formerly Hödl), Anna, Kapfhammer, Hans-Peter, Koppitz, Michael, Lilek, Sabine, Magnet, Marku, Müller, Nicole, Otti, Daniela, Painold, Annamaria, Reisinger, Karin, Scheibl, Monika, Schöggl, Helmut, Ullah, Jasmin, Braunwarth, Eva-Maria, Brugger, Florian, Buratti, Lisa, Hametner, Eva-Maria, Hepperger, Caroline, Holas, Christiane, Hotter, Anna, Hussl, Anna, Larcher, Barbara, Mahlknecht, Philipp, Müller, Christoph, Pinter, Bernadette, Poewe, Werner, Reiter, Eva-Magdalena, Seppi, Klau, Sprenger, Fabienne, Wenning, Gregor, Ladurner, Gunther, Lilek, Stefan, Sinadinosa, Daniela, Staffen, Wolfgang, Walleczek, Anna Maria, Linder, Christoph, Pirker, Walter, Liessens, Dirk, Calmeyn, Godelinde, Somers, Nele, Delvaux, Isabelle, Boogaerts, Andrea, Flamez, Anja, de Raedt, Sylvie, Alaerts, Nick, Slama, Hichem, Supiot, Frédéric, Constant, Eric, Gillardin, Anne-Françoise, Léonard, Marie-Claude, van de Wyngaerde, Françoise, Dupuis, Michel, Minet, Cécile, Ribaï, Pascale, Van Paemel, Dominique, van Reijen, Dimphna, Weckx, Petra, Kaiserova, Michaela, Šenkárová, Zuzana, Bezdíček, Ondřej, Klempíř, Jiří, Klempířová, Olga, Majerová-Ibarburu, Veronika, Nikolai, Tomáš, Roth, Jan, Stárková, Irena, Madsen, Louise Hasselstrøm, Møller, Anette Torvin, Hjermind, Lena, Jacobsen, Oda, Larsen, Ida Unmack, Lindquist, Suzanne, Nielsen, Jørgen, Regeur, Lisbeth, Roos, Peter, Stockholm, Jette, Vangsted-Hansen, Christina, Vinther-Jensen, Tua, Lolk, Annette, Lundsgaard, Marianne, Wermuth, Lene, Andersson, Christian, Nyberg, Clara, Sundblom, Jimmy, Peippo, Maarit, Sipponen, Marjatta, Bruun, Anu, Hartikainen, Paivi, Mäkipää, Seija, Ollokainen, Mari, Åman, Jaana, Kärppä, Mikko, Ignatius, Jaakko, Jääskeläinen, Outi, Kajula, Outi, Moilanen, Jukka, Mustonen, Aki, Santala, Maire, Eklund, Pia, Hiivola, Heli, Hyppönen, Hannele, Martikainen, Kirsti, Ojala, Marjut, Tähkäpää, Sirkku, Tuuha, Katri, Allain, Philippe, Bonneau, Dominique, Bost, Marie, Gohier, Bénédicte, Guérid, Marie-Anne, Olivier, Audrey, Prouzet, Julie, Prundean, Adriana, Scherer-Gagou, Clarisse, Verny, Christophe, Babiloni, Blandine, Bled, Déborah, Debruxelles, Sabrina, Duché, Charlotte, Fraisse, Sonia, Goizet, Cyril, Jameau, Laetitia, Lafoucrière, Danielle, Spampinato, Umberto, Couttier, Julien, Debilly, Bérengère, Delaigue, Christine, Derost, Philippe, Durif, Franck, Germain, Véronique, Legendre, Perrine, Loiseau, Sylvie, Marques, Ana, Ulla, Miguel, Vidal, Tiphaine, Badei, Farideh, Boissé, Marie-Françoise, Boudali, Lotfi, Cleret de Langavant, Laurent, Lemoine, Laurie, Morgado, Graca, Youssov, Katia, Annic, Agnè, Barthélémy, Recka, De Bruycker, Christelle, Cabaret, Maryline, Carette, Anne-Sophie, Carrière, Nicola, Decorte, Eric, Defebvre, Luc, Delliaux, Marie, Delval, Arnaud, Depelchin, Alizé, Destee, Alain, Dewulf-Pasz, Nelly, Dondaine, Thibaut, Dugauquier, Florence, Dujardin, Kathy, Hopes, Lucie, Krystkowiak, Pierre, Lemaire, Marie-Hélène, Manouvrier, Sylvie, Mutez, Eugénie, Peter, Mireille, Plomhause, Lucie, Sablonnière, Bernard, Simonin, Clémence, Tard, Céline, Thibault-Tanchou, Stéphanie, Vuillaume, Isabelle, Bellonet, Marcellin, Blin, Stéphanie, Chen, Simone, Masmoudi, Kamel, Morin, Gille, Roussel, Martine, Tir, Mélissa, Schüler, Béatrice, Wannepain, Sandrine, Zouitina, Yassine, Azulay, Jean-Philippe, Delfini, Marie, Eusebio, Alexandre, Fluchere, Frédérique, Guenam, Aicha, Mundler, Laura, Nguyen, Karine, Benaich, Sandra, Brice, Alexi, Boster, Sarah, Charles, Perrine, Durr, Alexandra, Ewenczyk, Claire, Francisque, Hélène, Jauffret, Céline, Justo, Damian, Kassar, Abdulrahman, Klebe, Stephan, Lesne, Fabien, Milani, Paolo, Monin, Marie-Lorraine, Monnier, Tiffany, Roze, Emmanuel, Tataru, Alina, Tchikviladzé, Maya, Bioux, Sandrine, Bliaux, Evangeline, Girard, Carole, Guyant-Maréchal, Lucie, Hannequin, Didier, Hannier, Véronique, Jourdain, Séverine, Maltête, David, Pouliquen, Dorothée, Anheim, Mathieu, Barun, Nadia, Lagha-Boukbiza, Ouhaid, Longato, Nadine, Marcel, Christophe, Phillipps, Clélie, Rudolf, Gabrielle, Steinmetz, Gisèle, Tranchant, Christine, Wagner, Caroline, Zimmermann, Marie-Agathe, Blondeau, Leily, Calvas, Fabienne, Cheriet, Samia, Delabaere, Helène, Demonet, Jean-Françoi, Marquine, Laurent, Pariente, Jérémie, Pierre, Michèle, Pomies, Elsa, Rolland, Sandrine, Souyris, Corinne, Kosinski, Christoph Michael, Milkereit, Eva, Probst, Daniela, Reetz, Kathrin, Sass, Christian, Schiefer, Johanne, Schlangen, Christiane, Werner, Cornelius J., Beuth, Marku, Gelderblom, Harald, Priller, Josef, Prüß, Harald, Spruth, Eike, Thiel, Silvia, Andrich, Jürgen, Ellrichmann, Gisa, Herrmann, Lennard, Hoffmann, Rainer, Kaminski, Barbara, Kraus, Peter, Stamm, Christiane, Ganos, Christo, Stubbe, Lar, Tadic, Vera, Tübing, Jennifer, Lange, Herwig, Bosredon, Cecile, Hunger, Ulrike, Löhle, Matthia, Maass, Antonia, Ossig, Christiana, Schmidt, Simone, Storch, Alexander, Wolz, Annett, Wolz, Martin, Kohl, Zacharia, Kozay, Christina, Winkler, Jürgen, Bergmann, Ulrike, Böringer, Regina, Capetian, Philipp, Kammel, Gerit, Lambeck, Johann, Mächtel, Miriam, Meier, Simone, Rijntjes, Michel, Zucker, Birgit, Boelmans, Kai, Goerendt, Ine, Heinicke, Walburgi, Hidding, Ute, Lewerenz, Jan, Münchau, Alexander, Orth, Michael, Schmalfeld, Jenny, Zittel, Simone, Diercks, Gabriele, Dressler, Dirk, Francis, Flverly, Gayde-Stephan, Sabine, Gorzolla, Heike, Kramer, Bianca, Minschke, Rebecca, Schrader, Christoph, Tacik, Pawel, Ribbat+, Michael, Longinus, Bernhard, Möller, Carsten, Bürk, Katrin, Lüsebrink, Antje, Mühlau, Mark, Peinemann, Alexander, Städtler, Michael, Weindl, Adolf, Winkelmann, Juliane, Ziegler, Cornelia, Bechtel, Natalie, Beckmann, Heike, Bohlen, Stefan, Göpfert, Nicole, Hölzner, Eva, Reilmann, Ralf, Rohm, Stefanie, Rumpf, Silke, Schepers, Sigrun, Weber, Nathalia, Bachmeier, Michael, Dose, Matthia, Hofstetter, Nina, Marquard, Ralf, Mühlbäck, Alzbeta, Buck, Andrea, Connemann, Julia, Geitner, Carolin, Kesse, Andrea, Landwehrmeyer, Bernhard, Lezius, Franziska, Nepper, Solveig, Niess, Anke, Schneider, Ariane, Schwenk, Daniela, Süssmuth, Sigurd, Trautmann, Sonja, Vogel, Melanie, Weydt, Patrick, Musacchio, Thoma, Leypold, Christine, Nöth, Kerstin, Cormio, Claudia, Difruscolo, Olimpia, Franco, Giovanni, Nuzzi, Angela, Sciruicchio, Vittorio, Serpino, Claudia, de Tommaso, Marina, Calandra-Buonaura, Giovanna, Capellari, Sabina, Cortelli, Pietro, Gallassi, Roberto, Poda, Roberto, Scaglione, Cesa, Agosti, Chiara, Barlati, Sergio, Compostella, Silvia, Marchina, Eleonora, Padovani, Alessando, Figorilli, Michela, Marrosu, Francesco, Muroni, Antonella, Piras, Valeria, Vacca, Melisa, Bertini, Elisabetta, Bartoli, Caterina, Fortunato, Fernanda, Ghelli, Elena, Ginestroni, Andrea, Mechi, Claudia, Paganini, Marco, Piacentini, Silvia, Pradella, Silvia, Romoli, Anna Maria, Sorbi, Sandro, Abbruzzese, Giovanni, Bandettini di Poggio, Monica, Ferrandes, Giovanna, Mandich, Paola, Marchese, Roberta, Di Maria, Emilio, Tamburini, Tiziano, Albanese, Alberto, Castagliuolo, Simona, Castaldo, Anna, Di Donato, Stefano, Di Bella, Daniela, Gellera, Cinzia, Genitrini, Silvia, Mariotti, Caterina, Nanetti, Lorenzo, Panzeri, Marta, Paridi, Dominga, Soliveri, Paola, Spagnolo, Francesca, Taroni, Franco, Tomasello, Chiara, De Michele, Giuseppe, Di Maio, Luigi, Rinaldi, Carlo, Massarelli, Marco, Peluso, Silvio, Roca, Alessandro, Russo, Cinzia Valeria, Salvatore, Elena, Sorrentino, Pierpaolo, Tucci, Tecla, Cannella, Milena, Codella, Valentina, De Gregorio, Francesca, De Nicola, Annunziata, Elifani, Francesca, Esposito, Chiara, Martino, Tiziana, Mazzante, Irene, Petrollini, Martina, Simonelli, Maria, Vezza, Maurizio, Squitieri, Ferdinando, D'Alessio, Barbara, Lovo, Francesca, Bentivoglio, Anna Rita, Bove, Francesco, Catalli, Claudio, Di Giacopo, Raffaella, Fasano, Alfonso, Frontali, Marina, Guidubaldi, Arianna, Ialongo, Tamara, Jacopini, Gioia, Loria, Giovanna, Modoni, Anna, Petracca, Martina, Piano, Carla, Chiara, Piccininni, Quaranta, Davide, Romano, Silvia, Soleti, Francesco, Solito, Marcella, Spadaro, Maria, Torlizzi, Flavia, Coarelli, Giulia, Ferraldeschi, Michela, Ristori, Giovanni, van Hout, Monique S. E., van Vugt, Jeroen P. P., Marit de Weert, A., Verhoeven, Marloe, Dekker, Meike, Klooster, Jesper, Leenders, Nico, van Oostrom, Joost, Kremer, Berry, Baake, Verena, van den Bogaard, Simon J. A., Dumas, Eve M., t Hart, Ellen P., Hogenboom, Marye, Jacobs, Milou, Jurgens, Caroline, Kampstra, Anne, Schoonderbeek, Anne, Witjes-Ané, Marie-Noëlle, Duits, Annelien, Waber, Mirella, Verstappen, Carla, Blinkenberg, Ellen Økland, Hauge, Erik, Tyvoll, Hilde, Aaserud, Olaf, Aanonsen, Nils Olaf, Bjørgo, Kathrine, Borgerød, Nancy, Dramstad, Elisabeth, Fannemel, Madeleine, Frich, Jan C., Gørvell, Per F., Haggag, Kathrine, Johannessen, Cecilie Haggag, Retterstøl, Lar, Røsby, Oddveig, Rummel, Jutta, Sikiric, Alma, Stokke, Bodil, van Walsem, Marleen, Wehus, Ragnhild, Arntsen, Vibeke, Bjørnevoll, Inga, Sando, Sigrid Botne, Haug, Marte Gjøl, Størseth, Hanna Haugan, Østern, Rune, Paulsen, Julie, Dziadkiewicz, Artur, Konkel, Agnieszka, Narożańska, Ewa, Nowak, Malgorzata, Robowski, Piotr, Sitek, Emilia, Slawek, Jaroslaw, Soltan, Witold, Szinwelski, Michal, Arkuszewski, Michał, Błaszczyk, Magdalena, Boczarska-Jedynak, Magdalena, Ciach-Wysocka, Ewelina, Gorzkowska, Agnieszka, Jasińska-Myga, Barbara, Kaczmarczyk, Aleksandra, Kłodowska – Duda, Gabriela, Opala, Grzegorz, Rudzińska, Monika, Stompel, Daniel, Banaszkiewicz, Krzysztof, Boćwińska, Dorota, Bojakowska-Jaremek, Kamila, Dec, Małgorzata, Grabska, Natalia, Krawczyk, Malgorzata, Kubowicz, Ewelina, Malec-Litwinowicz, Michalina, Stenwak, Agata, Szczudlik, Andrzej, Szczygieł, Elżbieta, Wójcik, Magdalena, Wasielewska, Anna, Anna Bryl, Jacek Anioła, Ciesielska, Anna, Klimberg, Aneta, Marcinkowski, Jerzy, Samara, Husam, Sempołowicz, Justyna, Wiśniewski, Bartłomiej, Gogol (formerly Kalbarczyk), Anna, Janik, Piotr, Jamrozik, Zygmunt, Kaminska, Anna, Kwiecinski+, Hubert, Antczak, Jakub, Jachinska, Katarzyna, Krysa, Wioletta, Rakowicz, Maryla, Rola, Rafal, Ryglewicz, Danuta, Sienkiewicz-Jarosz, Halina, Stępniak, Iwona, Sułek, Anna, Zaremba, Jacek, Zdzienicka, Elzbieta, Ziora-Jakutowicz, Karolina, Januário, Cristina, Júlio, Filipa, Almeida, Manuel, Calado, Ana, Dias, Margarida, Morgado, Joana, Semedo, Cristina, Coelho, Miguel, Magalhães, Andreia, Mendes, Tiago, Neutel, Dulce, Rodrigues, Filipe, Valadas, Anabela, Costa, Cristina, Cardoso, Helena, Santos, Mariana, Cação, Gonçalo, Cavaco, Sara, Damásio, Joana, Fernandes, Joana, Gonçalves, Alexandra, Loureiro, Rui, Moreira, Inê, Magalhães, Marina, Salgado, Paula, Andrade, Carlo, Costa, Andreia, Garrett, Carolina, Gago, Miguel, Guimarães, Joana, Massano, João, Meireles, Joana, Monteiro, Ana, Khasanova, Diana, Zalyalova, Zuleykha, Klyushnikov, Sergey, Sidorova, Olga, Smirnov, Oleg, Antonova, Victoria, Kopishinskaya, Svetlana, Korotysh, Maria, Magzhanov, Rim, Saifullina, Elena, Kurbatov, Sergey, Solis, Pilar, Herrera, Carmen Durán, Moreno, Patrocinio Garcia, Bas, Jordi, Busquets, Núria, Calopa, Matilde, Classen, Serge Jaumà, Dedichá, Nadia Rodríguez, Buongiorno, María Teresa, María, Andrés de la Cerda Santa, Muñoz, Esteban, Santacruz, Pilar, Barbera, Miquel Aguilar, Pardo, Sonia Arriba, Guia, Dolors Badene, Calzado, Noemi, Hernanz, Laura Casa, Tartari Díaz-Zorita, Juan Pablo, Catena, Judit López, Ferrer, Pilar Quiléz, Carruesco, Gemma Tome, Robert, Misericordia Floriach, Viladrich, Cèlia Mareca, Roca, Elvira, Ruiz Idiago, Jesús Miguel, Riballo, Antonio Villa, Campolongo, Antonia, Fernandez de Bobadilla, Ramon, Bojarsky, Jaime Kulisevsky, Pagonabarraga, Javier, Perez, Jesus Perez, Ribosa, Roser, Villa, Carolina, Acera Gil, Maria Angele, Corrales, Koldo Berganzo, Gomez Esteban, Juan Carlo, González, Amaia, Merino, Beatriz Tijero, Cubo, Esther, Polo, Cecilia Gil, Mariscal, Natividad, Sánchez, Jesú, Romero, Sandra Gutierrez, Arbelo, José Matía, Malo de Molina, Rocío, Martín, Idaira, Periañez, Juan Manuel, Udaeta, Beatriz, Alonso-Frech, Fernando, Loarte, María del Valle, Barrero, Francisco, Morales, Bla, Frades, Belén, Villanueva, Marina Ávila, Zea Sevilla, Maria Ascension, Fenollar, María del Mar, García-Ramos García, Rocío, Villanueva, Clara, Bascuñana, Mónica, Ventura, Marta Fatá, Caldentey, Juan García, Ribas, Guillermo García, García de Yébenes, Justo, López-Sendón Moreno, José Lui, Barral, Verónica Mañane, Feliz, Cici, García Ruíz, Pedro José, García, Ana, López, Rosa Guerrero, Bárcenas, Antonio Herranz, Martínez-Descals, Asunción, Pueyo, Angel Martínez, Martin, Veronica Puerta, Martínez, Noelia Rodríguez, Montojo, Teresa, Sainz Artiga, María José, Sánchez, Vicenta, Alarcón, María Dolore, Almagro, Carmen Antúnez, Diéguez, Esther, Fortuna, Lorenza, Legaz, Agustina, Manzanares, Salvadora, Muñoz, Juan Marín, Antequera Torres, María Martirio, Perea, Fuensanta Noguera, Vivancos, Laura, González, Sonia, Guisasola, Luis Menéndez, Prieto, Marta Para, Ribacoba, René, Salvador, Carlo, Lozano, Pablo Sánchez, Ramirez, Inés Legarda, Benito, Dolors Morague, Arques, Penelope Nava, Lopera, Monica Rodriguez, Pastor, Barbara Vive, Gaston, Itziar, Garcia-Amigot, Fermin, Martinez-Jaurrieta, Maria Dolore, Ramos-Arroyo, Maria Antonia, Adarmes, Astrid, Bernal-Escudero, Maravilla, Carrillo, Fátima, Jesús, Silvia, Mir, Pablo, Vargas-González, Laura, Hermoso, Fátima Dama, García Moreno, José Manuel, Jaramillo, Javier Abril, Lucena, Carolina Mendez, Pacheco Cortegana, Eva María, Peña, José Chacón, Redondo, Lui, Sánchez, Violeta Sánchez, Fernandez, Cristina Melgar, Romero Lemos, María Dolore, Mata, Maite Parede, Casado, Rocío Villagrán, Bosca, Maria, Burguera, Juan Andre, Brugada, Francisco Castera, Millán Salvador, Jose Maria, Vilaplana, Carmen Peiró, Solís, Pilar, Figuerola, Begoña Jeweinat, Palanca, Paloma Millan, Diago, Elena Bellosta, López del Val, Javier, Martinez, Laura Martinez, López, Elena, Høsterey-Ugander, Ulrika, Fredlund, Gunnel, Constantinescu, Radu, Lewin, Kajsa, Neleborn-Lingefjärd, Liselotte, Berglund, Maria, Berglund, Peter, Linnsand, Petra, Petersén, Åsa, Reimer, Jan, Widner, Håkan, Esmaeilzadeh, Mouna, Tedroff, Joakim, Winnberg, Elisabeth, Benaminov, Stanislav, Björnsson, Elisabeth, Merrick, Daniel, Paucar, Martin, Svenningsson, Per, Wallden, Tina, Berglund, Mån, Loutfi, Ghada, Olofsson, Carina, Stattin, Eva-Lena, Westman, Laila, Wikström, Birgitta, Ekwall, Camilla, Göller, Marie-Lousie, Johansson, Ander, Niemelä, Valter, Nyholm, Dag, Wiklund, Leif, Koehli, Jessica, Stebler, Yanik, Kaelin, Alain, Romero, Irene, Schüpbach, Michael, Zaugg, Sabine Weber, Esposito, Federica, Good, Jean-Marc, Paus, Karin, Vingerhoets, Francoi, Wider+, Christian, Jung, Hans H., Petersen, Jens A., Ligon-Auer, Maria, Mihaylova, Violeta, Downie, Lorna, Jack, Roisin, Matheson, Kirsty, Miedzybrodzka, Zosia, Rae, Daniela, Simpson, Sheila A., Summers, Fiona, Ure, Alexandra, Vaughan, Vivien, Harrower, Timothy, Vernon, Nathan, Akhtar, Shahbana, Crooks, Jenny, Curtis, Adrienne, de Souza (Keylock), Jenny, Piedad, John, Rickards, Hugh, Wright, Jan, Haig-Brown, Diane, Craven, Janet, Pallett, Andrew, Simpson, Steve, Weekes, Rebecca, Coulthard, Elizabeth, Gethin, Louise, Hayward, Beverley, Sieradzan, Kasia, Barker, Roger A., O'Keefe, Deidre, Gerrtiz (nee Di Pietro), Anna, Fisher, Kate, Goodman, Anna, Hill, Susan, Mason, Sarah, Swain, Rachel, Guzman, Natalie Valle, Busse, Monica, Butcher, Cynthia, Dunnett, Stephen, Clenaghan, Catherine, Hunt, Sarah, Jones, Lesley, Jones, Una, Khalil, Hanan, Owen, Michael, Price, Kathleen, Rosser, Anne, Goudie, David, Buchanan, Lindsay, McFadyen, Paula, Tonner, Alison, Taylor, Anne-Marie, Edwards, Maureen, Ho, Carrie, McGill, Marie, Porteous, Mary, Pearson, Pauline, Irvine, Sarah, Brockie, Peter, Foster, Jillian, Johns, Nicola, McKenzie, Sue, Rothery, Jean, Thomas, Gareth, Yates, Shona, Neumann, Christian, Patterson, Kirsten, Thomson, David, Deith, Catherine, Ireland, Jane, Ritchie, Stuart, Brown, Pauline, Burrows, Liz, Fletcher, Amy, Harding, Alison, Harrison, Kaye, Laver, Fiona, Silva, Mark, Thomson, Aileen, Chu, Carol, Evans, Carole, Gallentree, Deena, Hamer, Stephanie, Kraus, Alison, Markova, Ivana, Raman, Ashok, Rowett, Liz, Andrew, Alyson, Frost, Julie, Noad, Rupert, Cosgrove, Jeremy, Gallantree, Deena, Hobson, Emma, Jamieson, Stuart, Longthorpe, Mandy, Musgrave, Hannah, Peacy, Caroline, Toscano, Jean, Wild, Sue, Yardumian, Pam, Clayton, Carole, Dipple, Heather, Freire-Patino, Dawn, Hallam, Caroline, Middleton, Julia, Alusi, Sundu, Davies, Rhy, Foy, Kevin, Gerrans, Emily, Pate, Louise, Anjum, Uruj, Coebergh, Jan, Eddy, Charlotte, Lahiri, Nayana, McEntagart, Meriel, Patton, Michael, Peterson, Maria, Rose, Sarah, Andrews, Thomasin, Dougherty, Andrew, Golding, Charlotte, Kavalier, Fred, Laing, Hana, Lashwood, Alison, Robertson, Dene, Ruddy, Deborah, Santhouse, Alastair, Whaite, Anna, Gosling (nee Brown), Stefanie, Bruno, Stefania, Chu, Elvina, Doherty, Karen, Haider, Salman, Hensman, Davina, Lewis, Monica, Novak, Marianne, Patel, Aakta, Robertson, Nicola, Rosser, Elisabeth, Tabrizi, Sarah, Taylor, Rachel, Warner, Thoma, Wild, Edward, Ackermann, Oda, Duport, Sophie, Scott, Adrienne, Stoy, Nichola, Vaughn, Jenny, Arran, Natalie, Bek, Judith, Craufurd, David, Hare, Marianne, Howard, Liz, Huson, Susan, Johnson, Liz, Jones, Mary, Krishnamoorthy, Ashok, Murphy, Helen, Oughton, Emma, Partington-Jones, Lucy, Sollom, Andrea, Snowden, Julie, Stopford, Cheryl, Thompson, Jennifer, Trender-Gerhard, Iri, Verstraelen (formerly Ritchie), Nichola, Westmoreland, Leann, Cass, Ginette, Davidson, Lynn, Davison, Jill, Fullerton, Neil, Holmes, Katrina, Komati, Suresh, McDonnell, Sharon, Mohammed, Zeid, Morgan, Karen, Savage, Loi, Singh, Baldev, Wood, Josh, Knight, Caroline, O'Neill, Mari, Purkayastha, Debasish Da, Nemeth, Andrea H., Siuda, Gill, Valentine, Ruth, Dixon, Kathryn, Armstrong, Richard, Harrison, David, Hughes, Max, Large, Sandra, Donovan, John O., Palmer, Amy, Parkinson, Andrew, Soltysiak, Beverley, Timings, Leanne, Williams, Josh, Burn, John, Bailey, Wendy, Coleman, Caroline, Majeed, Tahir, Verstraelen (Ritchie), Nicola, Barrett, Wendy, Ho, Aileen, Bandmann, Oliver, Bradbury, Alyson, Fairtlough, Helen, Fillingham, Kay, Foustanos, Isabella, Gill, Paul, Kazoka, Mbombe, O'Donovan, Kirsty, Nevitt, Louise, Taylor, Cat, Tidswell, Katherine, Kipps, Christopher, MacKinnon, Lesley, Agarwal, Veena, Hayward, Elaine, Gunner, Kerry, Harris, Kayla, Anderson, Mary, Heywood, Melanie, Keys, Liane, Smalley, Sarah, El-Nimr, George, Duffell, Allison, Wood, Sue, Kennedy (nee Smith), Karen, Gowers, Lesley, Powell, Kingsley, Bethwaite, Pamela, Edwards, Rachel, Fuller, Kathleen, Phillips, Michelle, Tan, Loui, Lau, Puay Ngoh, Pica, Emmanuel, Roos, Raymund AC., Albanese, Alberto (ORCID:0000-0002-5864-0006), and Bentivoglio, Anna Rita (ORCID:0000-0002-9663-095X)
Abstract: Background: The frequency of late-onset Huntington's disease (>59 years) is assumed to be low and the clinical course milder. However, previous literature on late-onset disease is scarce and inconclusive. Objective: Our aim is to study clinical characteristics of late-onset compared to common-onset HD patients in a large cohort of HD patients from the Registry database. Methods: Participants with late- and common-onset (30–50 years)were compared for first clinical symptoms, disease progression, CAG repeat size and family history. Participants with a missing CAG repeat size, a repeat size of ≤35 or a UHDRS motor score of ≤5 were excluded. Results: Of 6007 eligible participants, 687 had late-onset (11.4%) and 3216 (53.5%) common-onset HD. Late-onset (n = 577) had significantly more gait and balance problems as first symptom compared to common-onset (n = 2408) (P <.001). Overall motor and cognitive performance (P <.001) were worse, however only disease motor progression was slower (coefficient, −0.58; SE 0.16; P <.001) compared to the common-onset group. Repeat size was significantly lower in the late-onset (n = 40.8; SD 1.6) compared to common-onset (n = 44.4; SD 2.8) (P <.001). Fewer late-onset patients (n = 451) had a positive family history compared to common-onset (n = 2940) (P <.001). Conclusions: Late-onset patients present more frequently with gait and balance problems as first symptom, and disease progression is not milder compared to common-onset HD patients apart from motor progression. The family history is likely to be negative, which might make diagnosing HD more difficult in this population. However, the balance and gait problems might be helpful in diagnosing HD in elderly patients.
Published: 2019

47. All-Instances Restricted Chase Termination

Author: Gogacz, Tomasz, Marcinkowski, Jerzy, Pieris, Andreas, Gogacz, Tomasz, Marcinkowski, Jerzy, and Pieris, Andreas
Abstract: The chase procedure is a fundamental algorithmic tool in database theory with a variety of applications. A key problem concerning the chase procedure is all-instances termination: for a given set of tuple-generating dependencies (TGDs), is it the case that the chase terminates for every input database? In view of the fact that this problem is undecidable, it is natural to ask whether known well-behaved classes of TGDs ensure decidability. We consider here the main paradigms that led to robust TGD-based formalisms, that is, guardedness and stickiness. Although all-instances termination is well-understood for the oblivious version of the chase, the more subtle case of the restricted (a.k.a. the standard) chase is rather unexplored. We show that all-instances restricted chase termination for guarded and sticky single-head TGDs is decidable.
Published: 2019

48. In-Orbit Instrument Performance Study and Calibration for POLAR Polarization Measurements

Author: Li, Zhengheng, Kole, Merlin, Sun, Jianchao, Song, Liming, Produit, Nicolas, Wu, Bobing, Bao, Tianwei, Bernasconi, Tancredi, Cadoux, Franck, Dong, Yongwei, Feng, Minzi, Gauvin, Neal, Hajdas, Wojtek, Li, Hancheng, Li, Lu, Liu, Xin, Marcinkowski, Radoslaw, Pohl, Martin, Rybka, Dominik K., Shi, Haoli, Szabelski, Jacek, Tymieniecka, Teresa, Wang, Ruijie, Wang, Yuanhao, Wen, Xing, Wu, Xin, Xiong, Shaolin, Zwolinska, Anna, Zhang, Li, Zhang, Laiyu, Zhang, Shuangnan, Zhang, Yongjie, Zhao, Yi, Li, Zhengheng, Kole, Merlin, Sun, Jianchao, Song, Liming, Produit, Nicolas, Wu, Bobing, Bao, Tianwei, Bernasconi, Tancredi, Cadoux, Franck, Dong, Yongwei, Feng, Minzi, Gauvin, Neal, Hajdas, Wojtek, Li, Hancheng, Li, Lu, Liu, Xin, Marcinkowski, Radoslaw, Pohl, Martin, Rybka, Dominik K., Shi, Haoli, Szabelski, Jacek, Tymieniecka, Teresa, Wang, Ruijie, Wang, Yuanhao, Wen, Xing, Wu, Xin, Xiong, Shaolin, Zwolinska, Anna, Zhang, Li, Zhang, Laiyu, Zhang, Shuangnan, Zhang, Yongjie, and Zhao, Yi
Abstract: POLAR is a compact space-borne detector designed to perform reliable measurements of the polarization for transient sources like Gamma-Ray Bursts in the energy range 50-500keV. The instrument works based on the Compton Scattering principle with the plastic scintillators as the main detection material along with the multi-anode photomultiplier tube. POLAR has been launched successfully onboard the Chinese space laboratory TG-2 on 15th September, 2016. In order to reliably reconstruct the polarization information a highly detailed understanding of the instrument is required for both data analysis and Monte Carlo studies. For this purpose a full study of the in-orbit performance was performed in order to obtain the instrument calibration parameters such as noise, pedestal, gain nonlinearity of the electronics, threshold, crosstalk and gain, as well as the effect of temperature on the above parameters. Furthermore the relationship between gain and high voltage of the multi-anode photomultiplier tube has been studied and the errors on all measurement values are presented. Finally the typical systematic error on polarization measurements of Gamma-Ray Bursts due to the measurement error of the calibration parameters are estimated using Monte Carlo simulations., Comment: 43 pages, 30 figures, 1 table; Preprint accepted by NIMA
Published: 2018
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49. Contextualization of Autonomous Spaceflight Operations for deep space planetary encounters

Author: Marcinkowski, Michal and Marcinkowski, Michal
Abstract: This work concerns the research and application of data visualization techniques to depict ongoing activities in mankinds investigation of space as part of a larger open-source visualization- and science-outreach software known as OpenSpace. It involves the construction of a physically accurate virtual environment of our local star group and solar system so as to facilitate development of a robust and generalized solution capable of articulating mission-science to its viewers. The research part is focused on deploying data visualization methods suitable for contextualizing scientific findings towards the general public in a pedagogical manner, with the end goal to provide a fully operational New Horizons visualization on the day of encounter with Pluto for the first public broadcast of OpenSpace across the globe.
Published: 2018

50. Contextualization of Autonomous Spaceflight Operations for deep space planetary encounters

Author: Marcinkowski, Michal and Marcinkowski, Michal
Abstract: This work concerns the research and application of data visualization techniques to depict ongoing activities in mankinds investigation of space as part of a larger open-source visualization- and science-outreach software known as OpenSpace. It involves the construction of a physically accurate virtual environment of our local star group and solar system so as to facilitate development of a robust and generalized solution capable of articulating mission-science to its viewers. The research part is focused on deploying data visualization methods suitable for contextualizing scientific findings towards the general public in a pedagogical manner, with the end goal to provide a fully operational New Horizons visualization on the day of encounter with Pluto for the first public broadcast of OpenSpace across the globe.
Published: 2018

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