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572 results on '"Trausan-Matu, Stefan"'

59. Semantic Boggle: A Game for Vocabulary Acquisition

Author

Toma, Irina, Alexandru, Cristina-Elena, Dascalu, Mihai, Dessus, Philippe, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Lavoué, Élise, editor, Drachsler, Hendrik, editor, Verbert, Katrien, editor, Broisin, Julien, editor, and Pérez-Sanagustín, Mar, editor

Published
2017
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60. Mass Customization in Continuing Medical Education: Automated Extraction of E-Learning Topics

Author

Nistor, Nicolae, Dascălu, Mihai, Guțu, Gabriel, Trăușan-Matu, Ștefan, Choi, Sunhea, Haberman-Lawson, Ashley, Brands, Brigitte Angela, Körner, Christian, Koletzko, Berthold, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Lavoué, Élise, editor, Drachsler, Hendrik, editor, Verbert, Katrien, editor, Broisin, Julien, editor, and Pérez-Sanagustín, Mar, editor

Published
2017
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61. ReaderBench: A Multi-lingual Framework for Analyzing Text Complexity

Author

Dascalu, Mihai, Gutu, Gabriel, Ruseti, Stefan, Paraschiv, Ionut Cristian, Dessus, Philippe, McNamara, Danielle S., Crossley, Scott A., Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Lavoué, Élise, editor, Drachsler, Hendrik, editor, Verbert, Katrien, editor, Broisin, Julien, editor, and Pérez-Sanagustín, Mar, editor

Published
2017
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62. How Well Do Student Nurses Write Case Studies? A Cohesion-Centered Textual Complexity Analysis

Author

Dascalu, Mihai, Dessus, Philippe, Thuez, Laurent, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Lavoué, Élise, editor, Drachsler, Hendrik, editor, Verbert, Katrien, editor, Broisin, Julien, editor, and Pérez-Sanagustín, Mar, editor

Published
2017
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63. ReaderBench Learns Dutch: Building a Comprehensive Automated Essay Scoring System for Dutch Language

Author

Dascalu, Mihai, Westera, Wim, Ruseti, Stefan, Trausan-Matu, Stefan, Kurvers, Hub, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, André, Elisabeth, editor, Baker, Ryan, editor, Hu, Xiangen, editor, Rodrigo, Ma. Mercedes T., editor, and du Boulay, Benedict, editor

Published
2017
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66. Are Automatically Identified Reading Strategies Reliable Predictors of Comprehension?

Author

Dascalu, Mihai, Dessus, Philippe, Bianco, Maryse, Trausan-Matu, Stefan, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Kobsa, Alfred, editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Weikum, Gerhard, editor, Trausan-Matu, Stefan, editor, Boyer, Kristy Elizabeth, editor, Crosby, Martha, editor, and Panourgia, Kitty, editor

Published
2014
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67. Validating the Automated Assessment of Participation and of Collaboration in Chat Conversations

Author

Dascalu, Mihai, Trausan-Matu, Ştefan, Dessus, Philippe, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Kobsa, Alfred, editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Weikum, Gerhard, editor, Trausan-Matu, Stefan, editor, Boyer, Kristy Elizabeth, editor, Crosby, Martha, editor, and Panourgia, Kitty, editor

Published
2014
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68. A Paper Recommendation System with ReaderBench: The Graphical Visualization of Semantically Related Papers and Concepts

Author

Paraschiv, Ionut Cristian, Dascalu, Mihai, Dessus, Philippe, Trausan-Matu, Stefan, McNamara, Danielle S., Huang, Ronghuai, Series editor, Kinshuk, Series editor, Jemni, Mohamed, Series editor, Chen, Nian-Shing, Series editor, Spector, J. Michael, Series editor, Li, Yanyan, editor, Chang, Maiga, editor, Kravcik, Milos, editor, and Popescu, Elvira, editor

Published
2016
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69. Predicting Newcomer Integration in Online Knowledge Communities by Automated Dialog Analysis

Author

Nistor, Nicolae, Dascălu, Mihai, Stavarache, Lucia Larise, Tarnai, Christian, Trăușan-Matu, Ștefan, Huang, Ronghuai, Series editor, Kinshuk, Series editor, Jemni, Mohamed, Series editor, Chen, Nian-Shing, Series editor, Spector, J. Michael, Series editor, Li, Yanyan, editor, Chang, Maiga, editor, Kravcik, Milos, editor, and Popescu, Elvira, editor

Published
2016
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70. What Makes Your Writing Style Unique? Significant Differences Between Two Famous Romanian Orators

Author

Dascalu, Mihai, Gîfu, Daniela, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Nguyen, Ngoc-Thanh, editor, Iliadis, Lazaros, editor, Manolopoulos, Yannis, editor, and Trawiński, Bogdan, editor

Published
2016
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71. Finding the Needle in a Haystack: Who are the Most Central Authors Within a Domain?

Author

Paraschiv, Ionut Cristian, Dascalu, Mihai, McNamara, Danielle S., Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Verbert, Katrien, editor, Sharples, Mike, editor, and Klobučar, Tomaž, editor

Published
2016
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72. Predicting Academic Performance Based on Students’ Blog and Microblog Posts

Author

Dascalu, Mihai, Popescu, Elvira, Becheru, Alexandru, Crossley, Scott, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Verbert, Katrien, editor, Sharples, Mike, editor, and Klobučar, Tomaž, editor

Published
2016
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73. Expressing Sentiments in Game Reviews

Author

Secui, Ana, Sirbu, Maria-Dorinela, Dascalu, Mihai, Crossley, Scott, Ruseti, Stefan, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Dichev, Christo, editor, and Agre, Gennady, editor

Published
2016
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74. Classifying Written Texts Through Rhythmic Features

Author

Balint, Mihaela, Dascalu, Mihai, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Dichev, Christo, editor, and Agre, Gennady, editor

Published
2016
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75. Extracting Patterns from Educational Traces via Clustering and Associated Quality Metrics

Author

Mihăescu, Marian Cristian, Tănasie, Alexandru Virgil, Dascalu, Mihai, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Dichev, Christo, editor, and Agre, Gennady, editor

Published
2016
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76. Asking Questions about Scientific Articles—Identifying Large N Studies with LLMs.

Author

Paroiu, Razvan, Ruseti, Stefan, Dascalu, Mihai, Trausan-Matu, Stefan, and McNamara, Danielle S.

Subjects
LANGUAGE models, XBRL (Document markup language), STATISTICAL power analysis
Abstract

The exponential growth of scientific publications increases the effort required to identify relevant articles. Moreover, the scale of studies is a frequent barrier to research as the majority of studies are low or medium-scaled and do not generalize well while lacking statistical power. As such, we introduce an automated method that supports the identification of large-scale studies in terms of population. First, we introduce a training corpus of 1229 manually annotated paragraphs extracted from 20 articles with different structures and considered populations. Our method considers prompting a FLAN-T5 language model with targeted questions and paragraphs from the previous corpus so that the model returns the number of participants from the study. We adopt a dialogic extensible approach in which the model is asked a sequence of questions that are gradual in terms of focus. Second, we use a validation corpus with 200 articles labeled for having N larger than 1000 to assess the performance of our language model. Our model, without any preliminary filtering with heuristics, achieves an F1 score of 0.52, surpassing previous analyses performed that obtained an F1 score of 0.51. Moreover, we achieved an F1 score of 0.69 when combined with previous extraction heuristics, thus arguing for the robustness and extensibility of our approach. Finally, we apply our model to a newly introduced dataset of ERIC publications to observe trends across the years in the Education domain. A spike was observed in 2019, followed by a decrease in 2020 and, afterward, a positive trend; nevertheless, the overall percentage is lower than 3%, suggesting a major problem in terms of scale and the need for a change in perspective. [ABSTRACT FROM AUTHOR]

Published
2023
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80. Readerbench: Automated Evaluation of Collaboration Based on Cohesion and Dialogism

Author

Dascalu, Mihai, Trausan-Matu, Stefan, and McNamara, Danielle S.

Abstract

As Computer-Supported Collaborative Learning (CSCL) gains a broader usage, the need for automated tools capable of supporting tutors in the time-consuming process of analyzing conversations becomes more pressing. Moreover, collaboration, which presumes the intertwining of ideas or points of view among participants, is a central element of dialogue performed in CSCL environments. Therefore, starting from dialogism and a cohesion-based model of discourse, we propose and validate two computational models for assessing collaboration. The first model is based on a cohesion graph and can be perceived as a longitudinal analysis of the ongoing conversation, thus accounting for collaboration from a social knowledge-building perspective. In the second approach, collaboration is regarded from a dialogical perspective as the intertwining or synergy of voices pertaining to different speakers, therefore enabling a transversal analysis of subsequent discussion slices.

Published
2015
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81. ReaderBench : An Integrated Cohesion-Centered Framework

Author

Dascalu, Mihai, Stavarache, Larise L., Dessus, Philippe, Trausan-Matu, Stefan, McNamara, Danielle S., Bianco, Maryse, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Weikum, Gerhard, Series Editor, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Conole, Gráinne, editor, Klobučar, Tomaž, editor, Rensing, Christoph, editor, Konert, Johannes, editor, and Lavoué, Elise, editor

Published
2015
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82. Informal Learning in Online Knowledge Communities: Predicting Community Response to Visitor Inquiries

Author

Nistor, Nicolae, Dascălu, Mihai, Stavarache, Lucia Larise, Serafin, Yvonne, Trăușan-Matu, Ștefan, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Pandu Rangan, C., Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Weikum, Gerhard, Series Editor, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Conole, Gráinne, editor, Klobučar, Tomaž, editor, Rensing, Christoph, editor, Konert, Johannes, editor, and Lavoué, Elise, editor

Published
2015
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83. Predicting Comprehension from Students’ Summaries

Author

Dascalu, Mihai, Stavarache, Larise Lucia, Dessus, Philippe, Trausan-Matu, Stefan, McNamara, Danielle S., Bianco, Maryse, Goebel, Randy, Series editor, Tanaka, Yuzuru, Series editor, Wahlster, Wolfgang, Series editor, Conati, Cristina, editor, Heffernan, Neil, editor, Mitrovic, Antonija, editor, and Verdejo, M. Felisa, editor

Published
2015
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86. Voice Control Framework for Form Based Applications

Author

Paraschiv, Ionut Cristian, Dascalu, Mihai, Trausan-Matu, Stefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Kobsa, Alfred, Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, Series editor, Tanaka, Yuzuru, Series editor, Wahlster, Wolfgang, Series editor, Siekmann, Jörg, Series editor, Agre, Gennady, editor, Hitzler, Pascal, editor, Krisnadhi, Adila A., editor, and Kuznetsov, Sergei O., editor

Published
2014
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87. User-Level Opinion Propagation Analysis in Discussion Forum Threads

Author

Cercel, Dumitru-Clementin, Trăuşan-Matu, Ştefan, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Kobsa, Alfred, Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, Series editor, Tanaka, Yuzuru, Series editor, Wahlster, Wolfgang, Series editor, Siekmann, Jörg, Series editor, Agre, Gennady, editor, Hitzler, Pascal, editor, Krisnadhi, Adila A., editor, and Kuznetsov, Sergei O., editor

Published
2014
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99. Measurement of Music Aesthetics Using Deep Neural Networks and Dissonances.

Author

Paroiu, Razvan and Trausan-Matu, Stefan

Subjects
*ARTIFICIAL neural networks, *MUSICAL aesthetics, *SUPERVISED learning, *PEARSON correlation (Statistics), *MUSICAL perception, *ARTIFICIAL intelligence
Abstract

In this paper, a new method that computes the aesthetics of a melody fragment is proposed, starting from dissonances. While music generated with artificial intelligence applications may be produced considerably more quickly than human-composed music, it has the drawback of not being appreciated like a human composition, being many times perceived by humans as artificial. For achieving supervised machine learning objectives of improving the quality of the great number of generated melodies, it is a challenge to ask humans to grade them. Therefore, it would be preferable if the aesthetics of artificial-intelligence-generated music is calculated by an algorithm. The proposed method in this paper is based on a neural network and a mathematical formula, which has been developed with the help of a study in which 108 students evaluated the aesthetics of several melodies. For evaluation, numerical values generated by this method were compared with ratings provided by human listeners from a second study in which 30 students participated and scores were generated by an existing different method developed by psychologists and three other methods developed by musicians. Our method achieved a Pearson correlation of 0.49 with human aesthetic scores, which is a much better result than other methods obtained. Additionally, our method made a distinction between human-composed melodies and artificial-intelligence-generated scores in the same way that human listeners did. [ABSTRACT FROM AUTHOR]

Published
2023
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100. Detection of Software Security Weaknesses Using Cross-Language Source Code Representation (CLaSCoRe).

Author

Zaharia, Sergiu, Rebedea, Traian, and Trausan-Matu, Stefan

Subjects
COMPUTER software security, MACHINE learning, PROGRAMMING languages, APPLICATION software, SOFTWARE engineering
Abstract

The research presented in the paper aims at increasing the capacity to identify security weaknesses in programming languages that are less supported by specialized security analysis tools, based on the knowledge gathered from securing the popular ones, for which security experts, scanners, and labeled datasets are, in general, available. This goal is vital in reducing the overall exposure of software applications. We propose a solution to expand the capabilities of security gaps detection to downstream languages, influenced by their more popular "ancestors" from the programming languages' evolutionary tree, using language keyword tokenization and clustering based on word embedding techniques. We show that after training a machine learning algorithm on C, C++, and Java applications developed by a community of programmers with similar behavior of writing code, we can detect, with acceptable accuracy, similar vulnerabilities in C# source code written by the same community. To achieve this, we propose a core cross-language representation of source code, optimized for security weaknesses classifiers, named CLaSCoRe. Using this method, we can achieve zero-shot vulnerability detection—in our case, without using any training data with C# source code. [ABSTRACT FROM AUTHOR]

Published
2023
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