Gerardo I. Simari : Publications

Inconsistency−Tolerant Query Answering for Existential Rules

Thomas Lukasiewicz‚ Enrico Malizia‚ Maria Vanina Martinez‚ Cristian Molinaro‚ Andreas Pieris and Gerardo I. Simari

In Artificial Intelligence. Vol. 307. Pages 103685. June, 2022.

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Lightweight Tag−Aware Personalized Recommendation on the Social Web Using Ontological Similarity

Zhenghua Xu‚ Oana Tifrea−Marciuska‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Cheng Chen

In IEEE Access. Vol. 6. No. 1. Pages 35590−35610. July, 2018.

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Ontological Query Answering under Many−Valued Group Preferences in Datalog+⁄−

Bettina Fazzinga‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In International Journal of Approximate Reasoning. Vol. 93. Pages 354–371. February, 2018.

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Probabilistic Models over Weighted Orderings: Fixed−Parameter Tractable Variable Elimination

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ David Poole and Gerardo I. Simari

In James P. Delgrande and Frank Wolter, editors, Proceedings of the 15th International Conference on the Principles of Knowledge Representation and Reasoning‚ KR 2016‚ Cape Town‚ South Africa‚ April 25−29‚ 2016. Pages 494−504. AAAI Press. April, 2016.

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Basic Probabilistic Ontological Data Exchange with Existential Rules

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Livia Predoiu and Gerardo I. Simari

In Dale Schuurmans and Michael Wellman, editors, Proceedings of the 30th National Conference on Artificial Intelligence‚ AAAI 2016‚ Phoenix‚ Arizona‚ USA‚ February 12–17‚ 2016. Pages 1023−1029. AAAI Press. February, 2016.

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Ranking Answers to Datalog+⁄− Ontologies based on Trust and Reliability of Subjective Reports

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Cristian Molinaro‚ Livia Predoiu and Gerardo I. Simari

In Christoph Beierle‚ Gerhard Brewka and Matthias Thimm:, editors, Computational Models of Rationality: Essays Dedicated to Gabriele Kern−Isberner on the Occasion of Her 60th Birthday. Vol. 29 of Tributes. Pages 175−192. College Publications. January, 2016.

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A Quantitative Approach to Belief Revision in Structured Probabilistic Argumentation

Gerardo I. Simari‚ Paulo Shakarian and Marcelo A. Falappa

In Annals of Mathematics and Artificial Intelligence. 2016.

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Combining Existential Rules with the Power of CP−Theories

Tommaso Di Noia‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Qiang Yang, editor, Proceedings of the 24th International Joint Conference on Artificial Intelligence‚ IJCAI 2015‚ Buenos Aires‚ Argentina‚ July 25−31‚ 2015. Pages 2918−2925. AAAI Press / International Joint Conferences on Artificial Intelligence. July, 2015.

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Preference−Based Query Answering in Probabilistic Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Journal on Data Semantics. Vol. 4. No. 2. Pages 81−101. June, 2015.

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From Classical to Consistent Query Answering under Existential Rules

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Andreas Pieris and Gerardo I. Simari

In Blai Bonet and Sven Koenig, editors, Proceedings of the 29th National Conference on Artificial Intelligence‚ AAAI 2015‚ Austin‚ Texas‚ USA‚ January 25−29‚ 2015. Pages 1546−1552. AAAI Press. January, 2015.

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Probabilistic Ontological Data Exchange with Bayesian Networks

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Livia Predoiu and Gerardo I. Simari

In Fernando Bobillo‚ Rommel N. Carvalho‚ Davide Ceolin‚ Paulo Cesar G. da Costa‚ Claudia d'Amato‚ Nicola Fanizzi‚ Kathryn B. Laskey‚ Kenneth J. Laskey‚ Thomas Lukasiewicz‚ Trevor P. Martin‚ Matthias Nickles and Michael Pool, editors, Proceedings of the 11th International Workshop on Uncertainty Reasoning for the Semantic Web‚ URSW 2015‚ Bethlehem‚ USA‚ October 12‚ 2015. Vol. 1479 of CEUR Workshop Proceedings. Pages 38−49. CEUR−WS.org. 2015.

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Existential Rules and Bayesian Networks for Probabilistic Ontological Data Exchange

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Livia Predoiu and Gerardo I. Simari

In Nick Bassiliades‚ Georg Gottlob and Fariba Sadri, editors, Proceedings of the 9th International Web Rule Symposium‚ RuleML 2015‚ Berlin‚ Germany‚ August 2−5‚ 2015.. Vol. 9202 of Lecture Notes in Computer Science. Pages 294−310. Springer. 2015.

RuleML 2015 Best Paper Award

Details about Existential Rules and Bayesian Networks for Probabilistic Ontological Data Exchange | BibTeX data for Existential Rules and Bayesian Networks for Probabilistic Ontological Data Exchange | Link to Existential Rules and Bayesian Networks for Probabilistic Ontological Data Exchange

From Classical to Consistent Query Answering under Existential Rules

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Andreas Pieris and Gerardo I. Simari

In Andrea Calì and Maria−Esther Vidal, editors, Proceedings of the 9th Alberto Mendelzon International Workshop on Foundations of Data Management‚ AMW 2015‚ Lima‚ Peru‚ May 6−8‚ 2015.. Vol. 1378 of CEUR Workshop Proceedings. Pages 40−45. CEUR−WS.org. 2015.

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Information Integration with Provenance on the Semantic Web via Probabilistic Datalog+/

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Livia Predoiu and Gerardo I. Simari

No. RR−15−01. DCS. 2015.

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Cyber Attribution: An Argumentation−Based Approach

Paulo Shakarian‚ Gerardo I. Simari‚ Geoffrey Moores and Simon Parsons

In S. Jajodia‚ P. Shakarian‚ V.S. Subrahmanian‚ V. Swarup and C. Wang, editors, Cyber Warfare: Building the Scientific Foundation. Pages 151−171. Springer. 2015.

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Probabilistic Preference Logic Networks

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Torsten Schaub‚ Gerhard Friedrich and Barry O'Sullivan, editors, Proceedings of the 21st European Conference on Artificial Intelligence‚ ECAI 2014‚ Prague‚ Czech Republic‚ August 18−22‚ 2014. Vol. 263 of Frontiers in Artificial Intelligence and Applications. Pages 561−566. IOS Press. August, 2014.

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Ontology−Based Query Answering with Group Preferences

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

No. RR−14−02. DCS. May, 2014.

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Ontology−Based Query Answering with Group Preferences

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In ACM Transactions on Internet Technology (TOIT). Vol. 14. No. 4. Pages 25:1−25:24. December, 2014.

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Data−Driven Algorithms for Policy Generation

Austin Parker‚ Gerardo I. Simari‚ Amy Sliva and V.S. Subrahmanian

Springer. 2014.

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Information Integration with Provenance on the Semantic Web via Probabilistic Datalog+⁄−

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Livia Predoiu and Gerardo Simari

In Fernando Bobillo‚ Rommel Carvalho‚ Paulo C. G. Costa‚ Claudia d'Amato‚ Nicola Fanizzi‚ Kathryn B. Laskey‚ Kenneth J. Laskey‚ Thomas Lukasiewicz‚ Matthias Nickles and Michael Pool, editors, Uncertainty Reasoning for the Semantic Web III‚ International Workshops URSW 2011−2013‚ Held at ISWC‚ Revised Selected Papers. Vol. 8816 of Lecture Notes in Computer Science. Pages 41−62. Springer. 2014.

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Ontological CP−Nets

Tommaso Di Noia‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Fernando Bobillo‚ Rommel Carvalho‚ Paulo C. G. Costa‚ Claudia d'Amato‚ Nicola Fanizzi‚ Kathryn B. Laskey‚ Kenneth J. Laskey‚ Thomas Lukasiewicz‚ Matthias Nickles and Michael Pool, editors, Uncertainty Reasoning for the Semantic Web III‚ International Workshops URSW 2011−2013‚ Held at ISWC‚ Revised Selected Papers. Vol. 8816 of Lecture Notes in Computer Science. Pages 289−308. Springer. 2014.

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An Argumentation−based Framework to Address the Attribution Problem in Cyber−Warfare

Paulo Shakarian‚ Gerardo I. Simari‚ Geoffrey Moores‚ Simon Parsons and Marcelo A. Falappa

In Proceedings of the 3rd ASE International Conference on Cyber Security‚ CyberSecurity 2014‚ Stanford University‚ CA‚ USA‚ May 27−31‚ 2014. 2014.

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Belief Revision in Structured Probabilistic Argumentation

Paulo Shakarian‚ Gerardo I. Simari and Marcelo A. Falappa

In Christoph Beierle and Carlo Meghini, editors, Proceedings of the 8th International Symposium on the Foundations of Information and Knowledge Systems‚ FoIKS 2014‚ Bordeaux‚ France‚ March 3−7‚ 2014. Vol. 8367 of Lecture Notes in Computer Science. Pages 324−343. Springer. 2014.

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Computing k−Rank Answers with Ontological CP−Nets

Tommaso Di Noia‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Sergio Greco and Antonio Picariello, editors, Proceedings of the 22nd Italian Symposium on Advanced Database Systems‚ SEBD 2014‚ Sorrento Coast‚ Italy‚ June 16−18‚ 2014. 2014.

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Answering Ontological Ranking Queries Based on Subjective Reports

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Cristian Molinaro‚ Livia Predoiu and Gerardo Simari

In Thomas Lukasiewicz‚ Rafael Peñaloza and Anni−Yasmin Turhan, editors, Proceedings of the 1st Workshop on Logics for Reasoning about Preferences‚ Uncertainty‚ and Vagueness‚ PRUV 2014‚ Vienna‚ Austria‚ July 23−24‚ 2014. Vol. 1205 of CEUR Workshop Proceedings. Pages 127−140. CEUR−WS.org. 2014.

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Computing k−Rank Answers with Ontological CP−Nets

Tommaso Di Noia‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Thomas Lukasiewicz‚ Rafael Peñaloza and Anni−Yasmin Turhan, editors, Proceedings of the 1st Workshop on Logics for Reasoning about Preferences‚ Uncertainty‚ and Vagueness‚ PRUV 2014‚ Vienna‚ Austria‚ July 23−24‚ 2014. Vol. 1205 of CEUR Workshop Proceedings. Pages 74−87. CEUR−WS.org. 2014.

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Answering Ontological Ranking Queries based on Subjective Reports

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Cristian Molinaro‚ Livia Predoiu and Gerardo I. Simari

In Umberto Straccia and Andrea Calì, editors, Proceedings of the 8th International Conference on Scalable Uncertainty Management‚ SUM 2014‚ Oxford‚ UK‚ September 15−17‚ 2014. Vol. 8720 of Lecture Notes in Computer Science. Pages 223−236. Springer. 2014.

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A General Framework for Inconsistency−Tolerant Query Answering in Datalog+⁄−

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

No. RR−14−04. DCS. 2014.

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Computing k−Rank Answers with Ontological CP−Nets

Tommaso Di Noia‚ Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

No. RR−14−03. DCS. 2014.

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Query Answering under Probabilistic Uncertainty in Datalog+⁄− Ontologies

Georg Gottlob‚ Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Annals of Mathematics and Artificial Intelligence. Vol. 69. No. 1. Pages 37−72. September, 2013.

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Tractable Probabilistic Description Logic Programs

Thomas Lukasiewicz and Gerardo I. Simari

In Z. Ma and L. Yan, editors, Advances in Probabilistic Databases for Uncertain Information Management. Vol. 304 of Studies in Fuzziness and Soft Computing. Pages 131−159. Springer. 2013.

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Reasoning about Complex Networks: A Logic Programming Approach

Paulo Shakarian‚ Gerardo I. Simari and Devon Callahan

In Theory and Practice of Logic Programming. Vol. 13. No. 4−5−Online−Supplement. 2013.

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Reasoning with DL−Based CP−Nets

Tommaso Di Noia‚ Thomas Lukasiewicz and Gerardo I. Simari

In Thomas Eiter‚ Birte Glimm‚ Yevgeny Kazakov and Markus Krötzsch, editors, Proceedings of the 26th International Workshop on Description Logics‚ DL 2013‚ Ulm‚ Germany‚ July 23−26‚ 2013. Vol. 1014 of CEUR Workshop Proceedings. Pages 640−651. CEUR−WS.org. 2013.

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Complexity of Inconsistency−Tolerant Query Answering in Datalog+⁄−

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Thomas Eiter‚ Birte Glimm‚ Yevgeny Kazakov and Markus Krötzsch, editors, Proceedings of the 26th International Workshop on Description Logics‚ DL 2013‚ Ulm‚ Germany‚ July 23−26‚ 2013. Vol. 1014 of CEUR Workshop Proceedings. Pages 791−803. CEUR−WS.org. 2013.

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Preference−Based Query Answering in Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Thomas Eiter‚ Birte Glimm‚ Yevgeny Kazakov and Markus Krötzsch, editors, Proceedings of the 26th International Workshop on Description Logics‚ DL 2013‚ Ulm‚ Germany‚ July 23−26‚ 2013. Vol. 1014 of CEUR Workshop Proceedings. Pages 804−815. CEUR−WS.org. 2013.

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Complexity of Inconsistency−Tolerant Query Answering in Datalog+⁄−

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Robert Meersman‚ Hervé Panetto‚ Tharam Dillon‚ Johann Eder‚ Zohra Bellahsene‚ Norbert Ritter‚ Pieter De Leenheer and Deijing Dou, editors, Proceedings of the 12th International Conference on Ontologies‚ Databases‚ and Applications of Semantics‚ ODBASE 2013‚ Graz‚ Austria‚ September 10−11‚ 2013. Vol. 8185 of Lecture Notes in Computer Science. Pages 488−500. Springer. 2013.

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Preference−Based Query Answering in Probabilistic Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Robert Meersman‚ Hervé Panetto‚ Tharam Dillon‚ Johann Eder‚ Zohra Bellahsene‚ Norbert Ritter‚ Pieter De Leenheer and Deijing Dou, editors, Proceedings of the 12th International Conference on Ontologies‚ Databases‚ and Applications of Semantics‚ ODBASE 2013‚ Graz‚ Austria‚ September 10−11‚ 2013. Vol. 8185 of Lecture Notes in Computer Science. Pages 501−518. Springer. 2013.

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Query Answering in Probabilistic Datalog+⁄− Ontologies under Group Preferences

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Vijay Raghavan‚ Xiaolin Hu‚ Churn−Jung and Liau Jan Treur, editors, Proceedings of the 2013 IEEE/WIC/ACM International Conferences on Web Intelligence‚ WI 2013‚ Atlanta‚ GA‚ USA‚ November 17−20‚ 2013. Pages 171−178. IEEE Computer Society. 2013.

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Query Answering in Datalog+⁄− Ontologies under Group Preferences and Probabilistic Uncertainty

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In Quan Z. Sheng and Jesper Kjeldskov, editors, Proceedings of the 2nd International Workshop on Data Management in the Social Semantic Web‚ DMSSW 2013‚ Aalborg‚ Denmark‚ July 8‚ 2013. Vol. 8295 of Lecture Notes in Computer Science. Pages 192−206. Springer. 2013.

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Group Preferences for Query Answering in Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Gerardo I. Simari and Oana Tifrea−Marciuska

In V. S. Subrahmanian W. Liu and J. Wijsen, editors, Proceedings of the 7th International Conference on Scalable Uncertainty Management‚ SUM 2013‚ Washington DC‚ USA‚ September 16−18‚ 2013. Vol. 8078 of Lecture Notes in Computer Science. Pages 360−373. Springer. 2013.

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Reasoning with Semantic−Enabled Qualitative Preferences

Tommaso Di Noia‚ Thomas Lukasiewicz and Gerardo I. Simari

In V. S. Subrahmanian W. Liu and J. Wijsen, editors, Proceedings of the 7th International Conference on Scalable Uncertainty Management‚ SUM 2013‚ Washington DC‚ USA‚ September 16−18‚ 2013. Vol. 8078 of Lecture Notes in Computer Science. Pages 374−386. Springer. 2013.

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Preference−Based Query Answering in Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Francesca Rossi, editor, Proceedings of the 23rd International Joint Conference on Artificial Intelligence‚ IJCAI 2013‚ Beijing‚ China‚ August 3−9‚ 2013. Pages 1017−1023. AAAI Press / International Joint Conferences on Artificial Intelligence. 2013.

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MANCaLog: A Logic for Multi−Attribute Network Cascades

Paulo Shakarian‚ Gerardo I. Simari and Robert Schroeder

In Proceedings of the 12th International Conference on Autonomous Agents and Multiagent Systems‚ AAMAS 2013‚ Saint Paul‚ MN‚ USA‚ May 6−10‚ 2013. Pages 1175−1176. 2013.

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Top−k Query Answering in Datalog+/ Ontologies under Subjective Reports

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Cristian Molinaro‚ Livia Predoiu and Gerardo I. Simari

2013.

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Consistent Answers in Probabilistic Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Markus Krötzsch and Umberto Straccia, editors, Proceedings of the 6th International Conference on Web Reasoning and Rule Systems‚ RR 2012‚ Vienna‚ Austria‚ September 10−12‚ 2012. Vol. 7497 of Lecture Notes in Computer Science. Pages 156−171. Springer. 2012.

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Heuristic Ranking in Tightly Coupled Probabilistic Description Logics

Thomas Lukasiewicz‚ Maria Vanina Martinez‚ Giorgio Orsi and Gerardo I. Simari

In Nando de Freitas and Kevin P. Murphy, editors, Proceedings of the 28th Conference on Uncertainty in Artificial Intelligence‚ UAI 2012‚ Catalina Island‚ CA‚ USA‚ August 14−18‚ 2012. Pages 554−563. AUAI Press. 2012.

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Inconsistency−Tolerant Query Rewriting for Linear Datalog+⁄−

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Pablo Barceló and Reinhard Pichler, editors, Proceedings of the 2nd International Workshop on Datalog in Academia and Industry‚ Datalog 2.0‚ Vienna‚ Austria‚ September 11−13‚ 2012. Vol. 7494 of Lecture Notes in Computer Science. Pages 123−134. Springer. 2012.

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Inconsistency Handling in Datalog+⁄− Ontologies

Thomas Lukasiewicz‚ Maria Vanina Martinez and Gerardo I. Simari

In Luc De Raedt‚ Christian Bessière‚ Didier Dubois‚ Patrick Doherty‚ Paolo Frasconi‚ Fredrik Heintz and Peter J. F. Lucas, editors, Proceedings of the 20th European Conference on Artificial Intelligence‚ ECAI 2012‚ Montpellier‚ France‚ August 27−31‚ 2012. Vol. 242 of Frontiers in Artificial Intelligence and Applications. Pages 558−563. IOS Press. 2012.

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Conjunctive Query Answering in Probabilistic Datalog+⁄− Ontologies

Georg Gottlob‚ Thomas Lukasiewicz and Gerardo I. Simari

In Sebastian Rudolph and Claudio Gutierrez, editors, Proceedings of the 5th International Conference on Web Reasoning and Rule Systems‚ RR 2011‚ Galway‚ Ireland‚ August 29−30‚ 2011. Vol. 6902 of Lecture Notes in Computer Science. Pages 77−92. Springer. 2011.

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