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205 results on '"Lanotte, Ruggero"'

1. Measuring Robustness in Cyber-Physical Systems under Sensor Attacks

Author

Xiang, Jian, Lanotte, Ruggero, Tini, Simone, Chong, Stephen, and Merro, Massimo

Subjects
Electrical Engineering and Systems Science - Systems and Control, Computer Science - Cryptography and Security, Computer Science - Emerging Technologies, Computer Science - Logic in Computer Science
Abstract

This paper contributes a formal framework for quantitative analysis of bounded sensor attacks on cyber-physical systems, using the formalism of differential dynamic logic. Given a precondition and postcondition of a system, we formalize two quantitative safety notions, quantitative forward and backward safety, which respectively express (1) how strong the strongest postcondition of the system is with respect to the specified postcondition, and (2) how strong the specified precondition is with respect to the weakest precondition of the system needed to ensure the specified postcondition holds. We introduce two notions, forward and backward robustness, to characterize the robustness of a system against sensor attacks as the loss of safety. To reason about robustness, we introduce two simulation distances, forward and backward simulation distances, which are defined based on the behavioral distances between the original system and the system with compromised sensors. Forward and backward distances, respectively, characterize upper bounds of the degree of forward and backward safety loss caused by the sensor attacks. We verify the two simulation distances by expressing them as modalities, i.e., formulas of differential dynamic logic, and develop an ad-hoc proof system to reason with such formulas. We showcase our formal notions and reasoning techniques on two non-trivial case studies: an autonomous vehicle that needs to avoid collision and a water tank system., Comment: Preprint submitted to Elsevier

Published
2024

2. Evaluating the Effectiveness of Digital Twins Through Statistical Model Checking with Feedback and Perturbations

Author

Castiglioni, Valentina, Lanotte, Ruggero, Loreti, Michele, Tini, Simone, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Haxthausen, Anne E., editor, and Serwe, Wendelin, editor

Published
2024
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5. Runtime Enforcement of Programmable Logic Controllers

Author

Lanotte, Ruggero, Merro, Massimo, and Munteanu, Andrei

Subjects
Computer Science - Cryptography and Security, Computer Science - Formal Languages and Automata Theory, Electrical Engineering and Systems Science - Systems and Control
Abstract

With the advent of Industry 4.0, industrial facilities and critical infrastructures are transforming into an ecosystem of heterogeneous physical and cyber components, such as programmable logic controllers, increasingly interconnected and therefore exposed to cyber-physical attacks, i.e., security breaches in cyberspace that may adversely affect the physical processes underlying industrial control systems. In this paper, we propose a formal approach based on runtime enforcement to ensure specification compliance in networks of controllers, possibly compromised by colluding malware that may tamper with actuator commands, sensor readings, and inter-controller communications. Our approach relies on an ad-hoc sub-class of Ligatti et al.'s edit automata to enforce controllers represented in Hennessy and Regan's Timed Process Language. We define a synthesis algorithm that, given an alphabet $P$ of observable actions and a timed correctness property $e$, returns a monitor that enforces the property $e$ during the execution of any (potentially corrupted) controller with alphabet $P$, and complying with the property $e$. Our monitors correct and suppress incorrect actions coming from corrupted controllers and emit actions in full autonomy when the controller under scrutiny is not able to do so in a correct manner. Besides classical requirements, such as transparency and soundness, the proposed enforcement enjoys deadlock- and diverge-freedom of monitored controllers, together with scalability when dealing with networks of controllers. Finally, we test the proposed enforcement mechanism on a non-trivial case study, taken from the context of industrial water treatment systems, in which the controllers are injected with different malware with different malicious goals.

Published
2021

7. Towards Reverse Engineering of Industrial Physical Processes

Author

Ceccato, Mariano, Driouich, Youssef, Lanotte, Ruggero, Lucchese, Marco, Merro, Massimo, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Katsikas, Sokratis, editor, Cuppens, Frédéric, editor, Kalloniatis, Christos, editor, Mylopoulos, John, editor, Pallas, Frank, editor, Pohle, Jörg, editor, Sasse, M. Angela, editor, Abie, Habtamu, editor, Ranise, Silvio, editor, Verderame, Luca, editor, Cambiaso, Enrico, editor, Maestre Vidal, Jorge, editor, Sotelo Monge, Marco Antonio, editor, Albanese, Massimiliano, editor, Katt, Basel, editor, Pirbhulal, Sandeep, editor, and Shukla, Ankur, editor

Published
2023
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9. A process calculus approach to correctness enforcement of PLCs (full version)

Author

Lanotte, Ruggero, Merro, Massimo, and Munteanu, Andrei

Subjects
Computer Science - Logic in Computer Science
Abstract

We define a simple process calculus, based on Hennessy and Regan's Timed Process Language, for specifying networks of communicating programmable logic controllers (PLCs) enriched with monitors enforcing specifications compliance. We define a synthesis algorithm that given an uncorrupted PLC returns a monitor that enforces the correctness of the PLC, even when injected with malware that may forge/drop actuator commands and inter-controller communications. Then, we strengthen the capabilities of our monitors by allowing the insertion of actions to mitigate malware activities. This gives us deadlock-freedom monitoring: malware may not drag monitored controllers into deadlock states., Comment: 21-st Italian Conference on Theoretical Computer Science (ICTCS 2020). CEUR Workshop Proceedings

Published
2020

10. A Formal Approach to Physics-Based Attacks in Cyber-Physical Systems (Extended Version)

Author

Lanotte, Ruggero, Merro, Massimo, Munteanu, Andrei, and Viganò, Luca

Subjects
Computer Science - Logic in Computer Science, Computer Science - Cryptography and Security, Electrical Engineering and Systems Science - Systems and Control
Abstract

We apply formal methods to lay and streamline theoretical foundations to reason about Cyber-Physical Systems (CPSs) and physics-based attacks, i.e., attacks targeting physical devices. We focus on a formal treatment of both integrity and denial of service attacks to sensors and actuators of CPSs, and on the timing aspects of these attacks. Our contributions are fourfold. (1)~We define a hybrid process calculus to model both CPSs and physics-based attacks. (2)~We formalise a threat model that specifies MITM attacks that can manipulate sensor readings or control commands in order to drive a CPS into an undesired state, and we provide the means to assess attack tolerance/vulnerability with respect to a given attack. (3)~We formalise how to estimate the impact of a successful attack on a CPS and investigate possible quantifications of the success chances of an attack. (4)~We illustrate our definitions and results by formalising a non-trivial running example in Uppaal SMC, the statistical extension of the Uppaal model checker; we use Uppaal SMC as an automatic tool for carrying out a static security analysis of our running example in isolation and when exposed to three different physics-based attacks with different impacts., Comment: This document extends the paper "A Formal Approach to Physics-Based Attacks in Cyber-Physical Systems" that will appear in ACM Transactions on Privacy and Security by providing proofs that are worked out in full details. arXiv admin note: text overlap with arXiv:1611.01377

Published
2019

12. Towards a formal notion of impact metric for cyber-physical attacks (full version)

Author

Lanotte, Ruggero, Merro, Massimo, and Tini, Simone

Subjects
Computer Science - Logic in Computer Science, Computer Science - Cryptography and Security, Electrical Engineering and Systems Science - Systems and Control
Abstract

Industrial facilities and critical infrastructures are transforming into "smart" environments that dynamically adapt to external events. The result is an ecosystem of heterogeneous physical and cyber components integrated in cyber-physical systems which are more and more exposed to cyber-physical attacks, i.e., security breaches in cyberspace that adversely affect the physical processes at the core of the systems. We provide a formal compositional metric to estimate the impact of cyber-physical attacks targeting sensor devices of IoT systems formalised in a simple extension of Hennessy and Regan's Timed Process Language. Our impact metric relies on a discrete-time generalisation of Desharnais et al.'s weak bisimulation metric for concurrent systems. We show the adequacy of our definition on two different attacks on a simple surveillance system.

Published
2018

13. Equational Reasonings in Wireless Network Gossip Protocols

Author

Lanotte, Ruggero, Merro, Massimo, and Tini, Simone

Subjects
Computer Science - Logic in Computer Science
Abstract

Gossip protocols have been proposed as a robust and efficient method for disseminating information throughout large-scale networks. In this paper, we propose a compositional analysis technique to study formal probabilistic models of gossip protocols expressed in a simple probabilistic timed process calculus for wireless sensor networks. We equip the calculus with a simulation theory to compare probabilistic protocols that have similar behaviour up to a certain tolerance. The theory is used to prove a number of algebraic laws which revealed to be very effective to estimate the performances of gossip networks, with and without communication collisions, and randomised gossip networks. Our simulation theory is an asymmetric variant of the weak bisimulation metric that maintains most of the properties of the original definition. However, our asymmetric version is particularly suitable to reason on protocols in which the systems under consideration are not approximately equivalent, as in the case of gossip protocols.

Published
2017
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14. A Probabilistic Calculus of Cyber-Physical Systems

Author

Lanotte, Ruggero, Merro, Massimo, and Tini, Simone

Subjects
Computer Science - Logic in Computer Science, Computer Science - Formal Languages and Automata Theory, Electrical Engineering and Systems Science - Systems and Control
Abstract

We propose a hybrid probabilistic process calculus for modelling and reasoning on cyber-physical systems (CPSs). The dynamics of the calculus is expressed in terms of a probabilistic labelled transition system in the SOS style of Plotkin. This is used to define a bisimulation-based probabilistic behavioural semantics which supports compositional reasonings. For a more careful comparison between CPSs, we provide two compositional probabilistic metrics to formalise the notion of behavioural distance between systems, also in the case of bounded computations. Finally, we provide a non-trivial case study, taken from an engineering application, and use it to illustrate our definitions and our compositional behavioural theory for CPSs., Comment: arXiv admin note: text overlap with arXiv:1612.00484

Published
2017

15. A Calculus of Cyber-Physical Systems

Author

Lanotte, Ruggero and Merro, Massimo

Subjects
Computer Science - Logic in Computer Science
Abstract

We propose a hybrid process calculus for modelling and reasoning on cyber-physical systems (CPS{s}). The dynamics of the calculus is expressed in terms of a labelled transition system in the SOS style of Plotkin. This is used to define a bisimulation-based behavioural semantics which support compositional reasonings. Finally, we prove run-time properties and system equalities for a non-trivial case study., Comment: 11th International Conference on Language and Automata Theory and Applications. arXiv admin note: text overlap with arXiv:1611.01377

Published
2016

16. A Formal Approach to Cyber-Physical Attacks

Author

Lanotte, Ruggero, Merro, Massimo, Muradore, Riccardo, and Viganò, Luca

Subjects
Computer Science - Cryptography and Security
Abstract

We apply formal methods to lay and streamline theoretical foundations to reason about Cyber-Physical Systems (CPSs) and cyber-physical attacks. We focus on %a formal treatment of both integrity and DoS attacks to sensors and actuators of CPSs, and on the timing aspects of these attacks. Our contributions are threefold: (1) we define a hybrid process calculus to model both CPSs and cyber-physical attacks; (2) we define a threat model of cyber-physical attacks and provide the means to assess attack tolerance/vulnerability with respect to a given attack; (3) we formalise how to estimate the impact of a successful attack on a CPS and investigate possible quantifications of the success chances of an attack. We illustrate definitions and results by means of a non-trivial engineering application.

Published
2016

18. A Semantic Theory of the Internet of Things

Author

Castiglioni, Valentina, Lanotte, Ruggero, and Merro, Massimo

Subjects
Computer Science - Logic in Computer Science
Abstract

We propose a process calculus for modelling systems in the Internet of Things paradigm. Our systems interact both with the physical environment, via sensors and actuators, and with smart devices, via short-range and Internet channels. The calculus is equipped with a standard notion of bisimilarity which is a fully abstract characterisation of a well-known contextual equivalence. We use our semantic proof-methods to prove run-time properties as well as system equalities of non-trivial IoT systems., Comment: The contribution of Valentina Castiglioni is limited to an early writing of some of the proofs in the Appendix

Published
2015

19. Computing Bisimilarity Metrics for Probabilistic Timed Automata

Author

Lanotte, Ruggero, Tini, Simone, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Ahrendt, Wolfgang, editor, and Tapia Tarifa, Silvia Lizeth, editor

Published
2019
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20. Fully Syntactic Uniform Continuity Formats for Bisimulation Metrics

Author

Castiglioni, Valentina, Lanotte, Ruggero, Tini, Simone, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Alvim, Mário S., editor, Chatzikokolakis, Kostas, editor, Olarte, Carlos, editor, and Valencia, Frank, editor

Published
2019
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21. Towards a Formal Notion of Impact Metric for Cyber-Physical Attacks

Author

Lanotte, Ruggero, Merro, Massimo, Tini, Simone, 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, Furia, Carlo A., editor, and Winter, Kirsten, editor

Published
2018
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22. A Modest Security Analysis of Cyber-Physical Systems: A Case Study

Author

Lanotte, Ruggero, Merro, Massimo, Munteanu, Andrei, 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, Baier, Christel, editor, and Caires, Luís, editor

Published
2018
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23. Weak Bisimulation Metrics in Models with Nondeterminism and Continuous State Spaces

Author

Lanotte, Ruggero, Tini, Simone, 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, Fischer, Bernd, editor, and Uustalu, Tarmo, editor

Published
2018
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25. Weak Simulation Quasimetric in a Gossip Scenario

Author

Lanotte, Ruggero, Merro, Massimo, Tini, Simone, 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, Bouajjani, Ahmed, editor, and Silva, Alexandra, editor

Published
2017
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26. A Calculus of Cyber-Physical Systems

Author

Lanotte, Ruggero, Merro, Massimo, 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, Drewes, Frank, editor, Martín-Vide, Carlos, editor, and Truthe, Bianca, editor

Published
2017
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28. A Decidable Probability Logic for Timed Probabilistic Systems

Author

Lanotte, Ruggero and Beauquier, Daniele

Subjects
Computer Science - Logic in Computer Science, C.3, D.2.4, F.3.1, F.4.1, G.3
Abstract

In this paper we extend the predicate logic introduced in [Beauquier et al. 2002] in order to deal with Semi-Markov Processes. We prove that with respect to qualitative probabilistic properties, model checking is decidable for this logic applied to Semi-Markov Processes. Furthermore we apply our logic to Probabilistic Timed Automata considering classical and urgent semantics, and considering also predicates on clock. We prove that results on Semi Markov Processes hold also for Probabilistic Timed Automata for both the two semantics considered. Moreover, we prove that results for Markov Processes shown in [Beauquier et al. 2002] are extensible to Probabilistic Timed Automata where urgent semantics is considered.

Published
2004

29. A Semantic Theory of the Internet of Things : (Extended Abstract)

Author

Lanotte, Ruggero, Merro, Massimo, 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, Lluch Lafuente, Alberto, editor, and Proença, José, editor

Published
2016
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34. Semantic Analysis of Gossip Protocols for Wireless Sensor Networks

Author

Lanotte, Ruggero, Merro, Massimo, 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, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Katoen, Joost-Pieter, editor, and König, Barbara, editor

Published
2011
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35. Hybrid and First-Order Complete Extensions of CaRet

Author

Bozzelli, Laura, Lanotte, Ruggero, 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, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Brünnler, Kai, editor, and Metcalfe, George, editor

Published
2011
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36. Removing All Silent Transitions from Timed Automata

Author

Dima, Cătălin, Lanotte, Ruggero, 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, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Ouaknine, Joël, editor, and Vaandrager, Frits W., editor

Published
2009
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40. Distributed Time-Asynchronous Automata

Author

Dima, Cătălin, Lanotte, Ruggero, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Jones, Cliff B., editor, Liu, Zhiming, editor, and Woodcock, Jim, editor

Published
2007
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41. Hiding Information in Multi Level Security Systems

Author

Beauquier, Danièle, Lanotte, Ruggero, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Dimitrakos, Theo, editor, Martinelli, Fabio, editor, Ryan, Peter Y. A., editor, and Schneider, Steve, editor

Published
2007
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42. Modeling Long–Running Transactions with Communicating Hierarchical Timed Automata

Author

Lanotte, Ruggero, Maggiolo-Schettini, Andrea, Milazzo, Paolo, Troina, Angelo, 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, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Dough, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Gorrieri, Roberto, editor, and Wehrheim, Heike, editor

Published
2006
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44. Probabilistic Congruence for Semistochastic Generative Processes

Author

Lanotte, Ruggero, Tini, Simone, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, and Sassone, Vladimiro, editor

Published
2005
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45. Taylor Approximation for Hybrid Systems

Author

Lanotte, Ruggero, Tini, Simone, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Morari, Manfred, editor, and Thiele, Lothar, editor

Published
2005
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46. Automatic Covert Channel Analysis of a Multilevel Secure Component

Author

Lanotte, Ruggero, Maggiolo-Schettini, Andrea, Tini, Simone, Troina, Angelo, Tronci, Enrico, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Lopez, Javier, editor, Qing, Sihan, editor, and Okamoto, Eiji, editor

Published
2004
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47. Structural Model Checking for Communicating Hierarchical Machines

Author

Lanotte, Ruggero, Maggiolo-Schettini, Andrea, Peron, Adriano, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Fiala, Jiří, editor, Koubek, Václav, editor, and Kratochvíl, Jan, editor

Published
2004
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48. Concurrency in Timed Automata

Author

Lanotte, Ruggero, Maggiolo-Schettini, Andrea, Tini, Simone, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, and Freivalds, Rūsiņš, editor

Published
2001
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