Computational Logic

From International Center for Computational Logic
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Computational Logic

The Computational Logic (CL) group is focusing on modeling and reasoning aspects of logic-based knowledge representation. We are interested both in the mathematical and formal foundations of diverse knowledge representation paradigms but also in their application in areas like the Semantic Web, knowledge acquisition, argumentation, etc. Motivated by requirements encountered in these fields, we also conduct research in adjacent areas like database theory and computational linguistics.
The Computational Logic Group also has a Facebook page, a Twitter account, and a YouTube channel.

Professors and Research Group Leaders


Scientific Staff

Technical Administrators

Former Members

Dipl.-Inf. Elisa Böhl
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Ass.-Prof. Dagmar Gromann

Former Guests


Newest Publications

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Jean-François Baget, Marie-Laure Mugnier, Sebastian Rudolph
Bounded Treewidth and the Infinite Core Chase – Complications and Workarounds toward Decidable Querying
Proceedings of the 42nd Symposium on Principles of Database Systems (PODS'23), to appear
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Thomas Feller, Tim Lyon, Piotr Ostropolski-Nalewaja, Sebastian Rudolph
Finite-Cliquewidth Sets of Existential Rules
Proceedings of the 26th International Conference on Database Theory (ICDT 2023), to appear
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Piotr Ostropolski-Nalewaja, Jerzy Marcinkowski, David Carral, Sebastian Rudolph
A Journey to the Frontiers of Query Rewritability
In Leonid Libkin, Pablo Barceló, eds., Proceedings of the 41st Symposium on Principles of Database Systems (PODS'22), 359-367, June 2022. ACM
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Faiq Miftakhul Falakh, Sebastian Rudolph
AGM Revision in Description Logics under Fixed-Domain Semantics
In Ofer Arieli, Martin Homola, Jean Christoph Jung, Marie-Laure Mugnier, eds., Proceedings of the 35th International Workshop on Description Logics (DL 2022), August 2022. CEUR Workshop Proceedings
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Lucía Gómez Álvarez, Sebastian Rudolph, Hannes Straß
How to Agree to Disagree: Managing Ontological Perspectives using Standpoint Logic
In Ulrike Sattler, Aidan Hogan, Maria Keet, Valentina Presutti, João Paulo A. Almeida, Hideaki Takeda, Pierre Monnin, Giuseppe Pirrò, Claudia d'Amato, eds., Proceedings of the 21st International Semantic Web Conference (ISWC 22), LNCS, to appear. Springer
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Adam Richard-Bollans, Anthony Cohn, Lucía Gómez Álvarez
Identifying and Modelling Polysemous Senses of Spatial Prepositions in Referring Expressions
Cognitive Systems Research, to appear
Tim Lyon, Lucía Gómez Álvarez
Automating Reasoning with Standpoint Logic via Nested Sequents
In Gabriele Kern-Isberner, Gerhard Lakemeyer, Thomas Meyer, eds., Proceedings of the 19th International Conference on the Principles of Knowledge Representation and Reasoning (KR'22), 2022. IJCAI Organization
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Suk Joon Hong, Brandon Bennett, Judith Clymo, Lucía Gómez Álvarez
KARaML: Integrating Knowledge-Based and Machine Learning Approaches to Solve the Winograd Schema Challenge
In Andreas Martin, Knut Hinkelmann, Hans-Georg Fill, Aurona Gerber, Doug Lenat, Reinhard Stolle, Frank van Harmelen, eds., Proceedings of the AAAI 2022 Spring Symposium on Machine Learning and Knowledge Engineering for Hybrid Intelligence (AAAI-MAKE 2022), volume 3121, 2022. CEUR
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Lucía Gómez Álvarez, Sebastian Rudolph, Hannes Straß
Modelling Multiple Perspectives by Standpoint-Enhanced Description Logics (Extended Abstract)
In Ofer Arieli, Martin Homola, Jean Christoph Jung, Marie-Laure Mugnier, eds., Proceedings of the 35th International Workshop on Description Logics (DL 2022), to appear. CEUR
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Faiq Miftakhul Falakh, Sebastian Rudolph, Kai Sauerwald
Semantic Characterizations of AGM Revision for Tarskian Logics
Proceedings of the 6th International Joint Conference on Rules and Reasoning (RuleML+RR 2022), to appear. Springer
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Student projects

Completed Theses


A Grand Unified Theory of Decidability in Logic-Based Knowledge Representation


AI Assisted Certification of Medical Software


Quantitative Logics and Automata


School of Embedded Composite Artificial Intelligence


Center for Scalable Data Analytics and Artificial Intelligence


Wolpertinger is a fixed-domain reasoner