Theory of Artificial Intelligence

Publications


2021

Cristina Feier, Carsten Lutz, and Marcin Przybylko. Answer Counting under Guarded TGDs. In Proceedings of the 24th International Conference on Database Theory, ICDT 2021, 2021.
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Maurice Funk, Jean Christoph Jung, and Carsten Lutz. Actively Learning Concepts and Conjunctive Queries under ELr-Ontologies. In Proceedings of the 30th International Joint Conference on Artificial Intelligence (IJCAI-21), 2021.
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Maurice Funk, Jean Christoph Jung, and Carsten Lutz. Actively Learning ELI Queries under DL-Lite Ontologies. In Proceedings of the 34th International Workshop on Description Logics, 2021.
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Anneke Haga, Carsten Lutz, Leif Sabellek, and Frank Wolter. How to Approximate Ontology-Mediated Queries. In Proceedings of the 18th International Conference on Principles of Knowledge Representation and Reasoning (KR-21), 2021.
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Anneke Haga, Carsten Lutz, Leif Sabellek, and Frank Wolter. How to Approximate Ontology-Mediated Queries (Extended Abstract). In Proceedings of the 34th International Workshop on Description Logics, 2021.
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Jean Christoph Jung, Carsten Lutz, Hadrien Pulcini, and Frank Wolter. Separating Data Examples by Description Logic Concepts with Restricted Signatures. In Proceedings of the 18th International Conference on Principles of Knowledge Representation and Reasoning (KR-21), 2021.
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Jean Christoph Jung and Frank Wolter. Living without Beth and Craig: Definitions and Interpolants in the Guarded and Two-Variable Fragments. In Technical Report, 2021.
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Carsten Lutz and Marcin Przybylko. Enumerating Answers to Ontology-Mediated Queries: Partial Answers and Efficiency (Extended Abstract). In Proceedings of the 34th International Workshop on Description Logics, 2021.
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Robin Nolte and Thomas Schneider. Properties of Module Notions and Atomic Decomposition. In Proceedings of the 18th International Conference on Principles of Knowledge Representation and Reasoning (KR-21), 2021.
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Robin Nolte and Thomas Schneider. Properties of Module Notions and Atomic Decomposition (Extended Abstract). In Proceedings of the 34th International Workshop on Description Logics, 2021.
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2020

Pablo Barceló, Victor Dalmau, Cristina Feier, Carsten Lutz, and Andreas Pieris. The Limits of Efficiency for Open- and Closed-World Query Evaluation Under Guarded TGDs. In 39th ACM Symposium on Principles of Database Systems (PODS-20). ACM Press, 2020.
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Cristina Feier, Carsten Lutz, and Marcin Przybylko. The Complexity of Answer Counting for Ontology-Mediated Queries Based on Guarded TGDs (Extended Abstract). In Stefan Borgwardt and Thomas Meyer, editors, Proceedings of the 33rd International Workshop on Description Logics, 2020.
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Anneke Haga, Carsten Lutz, Johannes Marti, and Frank Wolter. A Journey into Ontology Approximation: From Non-Horn to Horn. In Proceedings of the 29th International Joint Conference on Artificial Intelligence (IJCAI-20), 2020.
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Anneke Haga, Carsten Lutz, Johannes Marti, and Frank Wolter. A Journey into Ontology Approximation: From Non-Horn to Horn (Abstract). In Proceedings of the 33th International Workshop on Description Logics, 2020.
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Andre Hernich, Carsten Lutz, Fabio Papacchini, and Frank Wolter. Dichotomies in Ontology-Mediated Querying with the Guarded Fragment. ACM Trans. Comput. Log., 21(3):20:1–20:47, 2020.
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Jean Christoph Jung, Carsten Lutz, Mauricio Martel, and Thomas Schneider. Conservative Extensions in Horn Description Logics with Inverse Roles. Journal of Artificial Intelligence Research (JAIR), 68:365–411, 2020.
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Jean Christoph Jung, Carsten Lutz, Hadrien Pulicini, and Frank Wolter. Logical Separability of Incomplete Data under Ontologies. In Proceedings of the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR-20), 2020.
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Jean Christoph Jung, Carsten Lutz, Hadrien Pulicini, and Frank Wolter. Separating Positive and Negative Data Examples by Concepts and Formulas: The Case of Restricted Signatures (Abstract). In Proceedings of the 33rd International Workshop on Description Logics, 2020.
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Jean Christoph Jung, Carsten Lutz, and Frank Wolter. Least General Generalizations in Description Logic: Verification and Existence. In Proceedings of the 34st AAAI Conference on Artificial Intelligence (AAAI-20). AAAI Press, 2020.
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Jean Christoph Jung, Carsten Lutz, and Thomas Zeume. On the Decidability of Expressive Description Logics with Transitive Closure and Regular Role Expressions. In Proceedings of the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR-20), 2020.
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Carsten Lutz and Leif Sabellek. Classifying the Complexity of Ontology-Mediated Queries in EL: From Atomic Queries to Conjunctive Queries. In Proceedings of the 33rd International Workshop on Description Logics, 2020.
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Damian Niwinski, Marcin Przybylko, and Michal Skrzypczak. Computing Measures of Weak-MSO Definable Sets of Trees. In Proceedings of the 47th International Colloquium on Automata, Languages, and Programming, ICALP 2020, 2020.
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Timothy van Bremen, Anton Dries, and Jean Christoph Jung. onto2problog: A Probabilistic Ontology-mediated Querying System using Probabilistic Logic Programming. KI – Künstliche Intelligenz, 2020.
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2019

Pablo Barceló, Cristina Feier, Carsten Lutz, and Andreas Pieris. PTime Combined Complexity and FPT in Ontology-Mediated Querying. In Proceedings of the 32nd International Workshop on Description Logics (DL19), CEUR-WS.org, 2019.
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Pablo Barceló, Cristina Feier, Carsten Lutz, and Andreas Pieris. When is Ontology-Mediated Querying Efficient?. In Thirty-Fourth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS), 2019.
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Anneke Boetcher, Carsten Lutz, and Frank Wolter. Ontology Approximation in Horn Description Logics. In Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI-19), 2019.
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Elena Botoeva, Carsten Lutz, Vladislav Ryzhikov, Frank Wolter, and Michael Zakharyaschev. Query inseparability for ALC ontologies. Artificial Intelligence, 272:1–51, 2019.
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Sebastian Enqvist, Helle Hvid Hansen, Clemens Kupke, Johannes Marti, and Yde Venema. Completeness for Game Logic. In Thirty-Fourth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS), 2019.
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Cristina Feier, Antti Kuusisto, and Carsten Lutz. Rewritability in Monadic Disjunctive Datalog, MMSNP, and Expressive Description Logics. Logical Methods in Computer Science, 15(2):15:1–15:46, 2019.
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Maurice Funk. Concept-by-Example in EL Knowledge Bases. Master's thesis, University of Bremen, 2019.
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Maurice Funk, Jean Christoph Jung, Carsten Lutz, Hadrien Pulcini, and Frank Wolter. Learning Description Logic Concepts: When can Positive and Negative Examples be Separated?. In Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI-19), 2019.
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Maurice Funk, Jean Christoph Jung, Carsten Lutz, Hadrien Pulcini, and Frank Wolter. Learning Description Logic Concepts: When can Positive and Negative Examples be Separated? (Abstract). In Proceedings of the 32nd International Workshop on Description Logics (DL19), CEUR-WS.org, 2019.
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Thomas Gogacz, Víctor Gutiérrez-Basulto, Yazmín Ibáñez-García, Jean Christoph Jung, and Filip Murlak. On Finite and Unrestricted Query Entailment beyond SQ with Number Restrictions on Transitive Roles. In Proceedings of the 32nd International Workshop on Description Logics (DL19), CEUR-WS.org, 2019.
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Thomas Gogacz, Víctor Gutiérrez-Basulto, Yazmín Ibáñez-García, Jean Christoph Jung, and Filip Murlak. On Finite and Unrestricted Query Entailment beyond SQ with Number Restrictions on Transitive Roles. In Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI-19), 2019.
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Jean Christoph Jung, Carsten Lutz, and Thomas Zeume. Decidability and Complexity of ALCIOF with Transitive Closure (and More). In Proceedings of the 32nd International Workshop on Description Logics (DL19), CEUR-WS.org, 2019.
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Jean Christoph Jung, Fabio Papacchini, Frank Wolter, and Michael Zakharyaschev. Model Comparison Games for Horn Description Logic: A Summary. In Proceedings of the 32nd International Workshop on Description Logics (DL19), CEUR-WS.org, 2019.
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Jean Christoph Jung, Fabio Papacchini, Frank Wolter, and Michael Zakharyaschev. Model Comparison Games for Horn Description Logics. In Thirty-Fourth Annual ACM/IEEE Symposium on Logic in Computer Science (LICS), 2019.
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Carsten Lutz, Inanç Seylan, and Frank Wolter. The Data Complexity of Ontology-Mediated Queries with Closed Predicates. Logical Methods in Computer Science, 15(3), 2019.
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Reinhard Moratz, Leif Sabellek, and Thomas Schneider. Granular Spatial Calculi of Relative Directions or Movements with Parallelism: Consistent Account. In Proceedings of the 14th International Conference on Spatial Information Theory (COSIT 2019), 2019.
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Leif Sabellek. Ontology-Mediated Querying with Horn Description Logics. PhD thesis, University of Bremen, Germany, 2019.
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Timothy van Bremen, Anton Dries, and Jean Christoph Jung. Ontology-mediated Queries over Probabilistic Data via Probabilistic Logic Programming. In Proceedings of the International Conference on Information and Knowledge Management (CIKM). ACM, 2019.
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2018

Carlos Areces, Raul Fervari, Guillaume Hoffmann, and Mauricio Martel. Satisfiability for Relation-Changing Logics. Journal of Logic and Computation, 2018.
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Pablo Barcelo, Gerald Berger, Carsten Lutz, and Andreas Pieris. First-Order Rewritability of Frontier-Guarded Ontology-Mediated Queries. In Proceedings of the 27th International Joint Conference on Artificial Intelligence (IJCAI-ECAI 2018). AAAI Press, 2018.
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Anneke Boetcher, Carsten Lutz, and Frank Wolter. Complete Approximation of Horn DL Ontologies. In Proceedings of the 31th International Workshop on Description Logics, 2018.
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Cristina Feier, Carsten Lutz, and Frank Wolter. From Conjunctive Queries to Instance Queries in Ontology-Mediated Querying. In Proceedings of the 27th International Joint Conference on Artificial Intelligence (IJCAI-ECAI 2018). AAAI Press, 2018.
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Cristina Feier, Carsten Lutz, and Frank Wolter. From Conjunctive Queries to SPARQL Queries in Ontology-Mediated Querying. In Proceedings of the 31st International Workshop on Description Logics, 2018.
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Víctor Gutiérrez-Basulto, Yazmín Ibáñez-García, and Jean Christoph Jung. Answering Regular Path Queries over SQ ontologies (with Appendix). In Proceedings of the 32st AAAI Conference on Artificial Intelligence (AAAI-18). AAAI Press, 2018.
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Víctor Gutiérrez-Basulto, Jean Christoph Jung, and Ondrej Kuzelka. Quantified Markov Logic Networks. In Proceedings of the 16th International Conference on Principles of Knowledge Representation and Reasoning (KR-18), 2018.
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Víctor Gutiérrez-Basulto, Jean Christoph Jung, and Leif Sabellek. Reverse Engineering Queries in Ontology-Enriched Systems: The Case of Expressive Horn Description Logic Ontologies. In Proceedings of the 27th International Joint Conference on Artificial Intelligence (IJCAI-ECAI-18). AAAI Press, 2018.
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Andre Hernich, Carsten Lutz, Fabio Papacchini, and Frank Wolter. Horn-Rewritability vs PTime Query Evaluation in Ontology-Mediated Querying. In Proceedings of the 27th International Joint Conference on Artificial Intelligence (IJCAI-ECAI 2018). AAAI Press, 2018.
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Sascha Jongebloed and Thomas Schneider. Ontology Partitioning Using E-Connections Revisited. In Proceedings of the 31st International Workshop on Description Logics (DL-18), volume 2211 of CEUR-WS.org, 2018.
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Jean Christoph Jung, Carsten Lutz, Mauricio Martel, and Thomas Schneider. Querying the Unary Negation Fragment with Regular Path Expressions. In Benny Kimelfeld and Yael Amsterdamer, editors, Proceedings of the 21st International Conference on Database Theory (ICDT-18), volume 98, pages 15:1–15:18. Schloss Dagstuhl – LZI, 2018.
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Boris Konev, Carsten Lutz, Ana Ozaki, and Frank Wolter. Exact Learning of Lightweight Description Logic Ontologies. Journal of Machine Learning Research, 18(201):1–63, 2018.
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Antti Kuusisto and Carsten Lutz. Weighted model counting beyond two-variable logic. In Thirty-Third Annual ACM/IEEE Symposium on Logic in Computer Science (LICS), 2018.
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Carsten Lutz, Johannes Marti, and Leif Sabellek. Query Expressibility and Verification in Ontology-Based Data Access. In Proceedings of the 16th International Conference on Principles of Knowledge Representation and Reasoning (KR-18), 2018.
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2017

Carlos Areces, Raul Fervari, Guillaume Hoffmann, and Mauricio Martel. Undecidability of Relation-Changing Modal Logics. In Proceedings of Workshop DaLí - Dynamic Logic: new trends and applications, Brasilia, Brazil, September 2017.
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Frank Dylla, Jae Hee Lee, Till Mossakowski, Thomas Schneider, André van Delden, Jasper van de Ven, and Diedrich Wolter. A Survey of Qualitative Spatial and Temporal Calculi – Algebraic and Computational Properties. ACM Computing Surveys, 50(1):7:1–7:39, 2017.
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Cristina Feier, Carsten Lutz, and Antti Kuusisto. Rewritability in Monadic Disjunctive Datalog, MMSNP, and Expressive Description Logics. In Proceedings of the 20th International Conference on Database Theory (ICDT17), 2017.
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Valentin Goranko, Antti Kuusisto, and Raine Rönnholm. CTL with Finitely Bounded Semantics. In 24th International Symposium on Temporal Representation and Reasoning, TIME 2017, October 16-18, 2017, Mons, Belgium, pages 14:1–14:19, 2017.
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Valentin Goranko, Antti Kuusisto, and Raine Rönnholm. Game-Theoretic Semantics for ATL+ with Applications to Model Checking. In Proceedings of the 16th Conference on Autonomous Agents and MultiAgent Systems, AAMAS 2017, São Paulo, Brazil, May 8-12, 2017, pages 1277–1285, 2017.
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Valentin Goranko, Antti Kuusisto, and Raine Rönnholm. Rational Coordination with no Communication or Conventions. In Logic, Rationality, and Interaction - 6th International Workshop, LORI 2017, Sapporo, Japan, September 11-14, 2017, Proceedings, pages 33–48, 2017.
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Víctor Gutiérrez-Basulto, Yazmín Ibáñez-García, and Jean Christoph Jung. Number Restrictions on Transitive Roles in Description Logics with Nominals (with Appendix). In Proceedings of the 31st AAAI Conference on Artificial Intelligence (AAAI-17). AAAI Press, 2017.
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Víctor Gutiérrez-Basulto, Yazmín Ibáñez-García, and Jean Christoph Jung. On Query Answering in Description Logics with Number Restrictions on Transitive Roles. In Proceedings of the 30th International Workshop on Description Logics, 2017.
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Víctor Gutiérrez-Basulto and Jean Christoph Jung. Combining DL-Lite^N_bool with Branching Time: A Gentle Marriage. In Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI-17), 2017.
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Víctor Gutiérrez-Basulto, Jean Christoph Jung, Carsten Lutz, and Lutz Schröder. Probabilistic Description Logics for Subjective Uncertainty. Journal of Artificial Intelligence Research (JAIR), 2017.
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Helle Hvid Hansen, Clemens Kupke, Johannes Marti, and Yde Venema. Parity Games and Automata for Game Logic. In Alexandre Madeira and Mário Benevides, editors, Dynamic Logic. New Trends and Applications. DALI 2017, Lecture Notes in Computer Science, pages 115–132. Springer, 2018.
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Peter Hansen and Carsten Lutz. Computing FO-Rewritings in EL in Practice: from Atomic to Conjunctive Queries. In Proceedings of the 16th International Sematic Web Conference (ISWC-17), 2017.
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Peter Hansen and Carsten Lutz. Computing FO-Rewritings in EL in Practice: from Atomic to Conjunctive Queries. In Proceedings of the 30th International Workshop on Description Logics, 2017.
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Lauri Hella, Antti Kuusisto, Arne Meier, and Jonni Virtema. Model Checking and Validity in Propositional and Modal Inclusion Logics. In 42nd International Symposium on Mathematical Foundations of Computer Science, MFCS 2017, August 21-25, 2017 - Aalborg, Denmark, pages 32:1–32:14, 2017.
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Andre Hernich, Carsten Lutz, Fabio Pappachini, and Frank Wolter. Dichotomies in Ontology-Mediated Querying with the Guarded Fragment. In 36th ACM Symposium on Principles of Database Systems (PODS-17). ACM Press, 2017.
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Andre Hernich, Carsten Lutz, Fabio Pappachini, and Frank Wolter. Horn Rewritability vs PTime Query Evaluation for Description Logic TBoxes. In Proceedings of the 30th International Workshop on Description Logics, 2017.
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Jean Christoph Jung, Carsten Lutz, Mauricio Martel, and Thomas Schneider. Query Conservative Extensions in Horn Description Logics with Inverse Roles. In Carles Sierra, editor, Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI-17), pages 1116–1122. ijcai.org, 2017.
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Jean Christoph Jung, Carsten Lutz, Mauricio Martel, Thomas Schneider, and Frank Wolter. Conservative Extensions in Guarded and Two-Variable Fragments. In Ioannis Chatzigiannakis, Piotr Indyk, Fabian Kuhn, and Anca Muscholl, editors, Proceedings of the 44st International Colloquium on Automata, Languages, and Programming (ICALP-17), volume 80 of LIPIcs, pages 108:1–108:14. Schloss Dagstuhl – LZI, 2017.
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Emanuel Kieronski and Antti Kuusisto. One-Dimensional Logic over Trees. In 42nd International Symposium on Mathematical Foundations of Computer Science, MFCS 2017, August 21-25, 2017 - Aalborg, Denmark, pages 64:1–64:13, 2017.
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Antti Kuusisto and Fabian Reiter. Emptiness Problems for Distributed Automata. In Proceedings Eighth International Symposium on Games, Automata, Logics and Formal Verification, GandALF 2017, Roma, Italy, 20-22 September 2017., pages 210–222, 2017.
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Carsten Lutz and Leif Sabellek. Ontology-Mediated Querying with EL: Trichotomy and Linear Datalog Rewritability. In Proceedings of the 30th International Workshop on Description Logics, 2017.
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Carsten Lutz and Leif Sabellek. Ontology-Mediated Querying with the Description Logic EL: Trichotomy and Linear Datalog Rewritability. In Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI-17), 2017.
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Carsten Lutz and Frank Wolter. The Data Complexity of Description Logic Ontologies. Logical Methods in Computer Science, Volume 13, Issue 4, November 2017.
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2016

Carlos Areces, Raul Fervari, Guillaume Hoffmann, and Mauricio Martel. Relation-Changing Logics as Fragments of Hybrid Logics. In Proceedings of the 7th International Symposium on Games, Automata, Logics and Formal Verification (GandALF 2016). Open Publishing Association, 2016.
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Franz Baader, Meghyn Bienvenu, Carsten Lutz, and Frank Wolter. Query and Predicate Emptiness in Ontology-Based Data Access. Journal of Artificial Intelligence Research (JAIR), 2016.
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Víctor Gutiérrez Basulto, Jean Christoph Jung, and Roman Kontchakov. Temporalized EL Ontologies for Accessing Temporal Data: Complexity of Atomic Queries. In Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI-16). AAAI Press, 2016.
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Meghyn Bienvenu, Peter Hansen, Carsten Lutz, and Frank Wolter. First Order-Rewritability and Containment of Conjunctive Queries in Horn Description Logics. In Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI-16), 2016.
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Elena Botoeva, Boris Konev, Carsten Lutz, Vladislav Ryzhikov, Frank Wolter, and Michael Zakharyaschev. Inseparability and Conservative Extensions of Description Logic Ontologies: A Survey. In Proceedings of the 12th Reasoning Web Summer School (RW-16), 2016.
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Elena Botoeva, Carsten Lutz, Vladislav Ryzhikov, Frank  Wolter, and Michael Zakharyaschev. Query-Based Entailment and Inseparability for ALC Ontologies. In Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI-16), 2016.
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Pierre Bourhis and Carsten Lutz. Containment in Monadic Disjunctive Datalog, MMSNP, and Expressive Description Logics. In Proceedings of the 15th International Conference on Principles of Knowledge Representation and Reasoning (KR-16), 2016.
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David Carral, Cristina Feier, and Pascal Hitzler. A Practical Acyclicity Notion for Query Answering over Horn-SRIQ Ontologies. In Proceedings of the 15th International Semantic Web Conference (ISWC16), 2016.
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Cristina Feier, Antti Kuusisto, and Carsten Lutz. FO-Rewritability of Expressive Ontology-Mediated Queries. In Proceedings of the 29th International Workshop on Description Logics, volume 1577 of CEUR Workshop Proceedings. CEUR-WS.org, 2016.
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Valentin Goranko, Antti Kuusisto, and Raine Rönnholm. Game-Theoretic Semantics for Alternating-Time Temporal Logic. In International conference on Autonomous Agents and Multi-Agent Systems, AAMAS '16, Singapore, May 9-13, 2016, 2016.
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Victor Gutiérrez-Basulto, Jean Christoph Jung, and Roman Kontchakov. On Decidability and Tractability of Querying in Temporal EL. In Proceedings of the 29th International Workshop on Description Logics, 2016.
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Víctor Gutiérrez-Basulto, Jean Christoph Jung, and Ana Ozaki. On Metric Temporal Description Logics (with Appendix). In Proceedings of the 22th European Conference on Artificial Intelligence (ECAI16). IOS Press, 2016.
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Lauri Hella and Antti Kuusisto. Existential Second-Order Logic and Modal Logic with Quantified Accessibility Relations. Inf. Comput., 247:217–234, 2016.
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Szymon Klarman and Víctor Gutiérrez Basulto. Description Logics of Context. Journal of Logic and Computation, 26(3):817–854, 2016.
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Boris Konev, Carsten Lutz, Frank Wolter, and Michael Zakharyaschev. Conservative Rewritability of Description Logic TBoxes. In Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI-16), 2016.
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Juha Kontinen, Antti Kuusisto, and Jonni Virtema. Decidability of Predicate Logics with Team Semantics. In Mathematical Foundations of Computer Science 2015 - 41st International Symposium, MFCS 2016, Proceedings, Part I, 2016.
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Antti Kuusisto. On the Uniform One-dimensional Fragment. In Proceedings of the 29th International Workshop on Description Logics, Cape Town, South Africa, April 22-25, 2016., 2016.
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2015

Víctor Gutiérrez Basulto, Jean Christoph Jung, and Thomas Schneider. Lightweight Temporal Description Logics with Rigid Roles and Restricted TBoxes. In Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI-15), pages 3015–3021. AAAI Press, 2015.
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Piero A. Bonatti, Marco Faella, Carsten Lutz, Luigi Sauro, and Frank Wolter. Decidability of Circumscribed Description Logics Revisited. In Thomas Eiter, Hannes Strass, Miroslaw Truszczynski, and Stefan Woltran, editors, Advances in Knowledge Representation, Logic Programming, and Abstract Argumentation - Essays Dedicated to Gerhard Brewka on the Occasion of His 60th Birthday, volume 9060 of Lecture Notes in Computer Science, pages 112–124. Springer, 2015.
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Stefan Göller, Jean Christoph Jung, and Markus Lohrey. The Complexity of Decomposing Modal and First-Order Theories. ACM Transactions on Computational Logic, 16(1), 2015.
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Víctor Gutiérrez-Basulto, Yazmín Ibáñez-García, Roman Kontchakov, and Egor V. Kostylev. Queries with negation and inequalities over lightweight ontologies. Journal of Web Semantics (JWS), 35, Part 4:184 – 202, 2015.
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Victor Gutiérrez-Basulto, Jean Christoph Jung, and Thomas Schneider. The Complexity of Temporal Description Logics with Rigid Roles and Restricted TBoxes: In Quest of Saving a Troublesome Marriage. In Proceedings of the 28th International Workshop on Description Logics, 2015.
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Peter Hansen, Carsten Lutz, Inanç Seylan, and Frank Wolter. Efficient Query Rewriting in the Description Logic EL and Beyond. In Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI-15), 2015.
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Andre Hernich, Carsten Lutz, Ana Ozaki, and Frank Wolter. Schema.org as a Description Logic. In Proceedings of the 28th International Workshop on Description Logics, volume 1350 of CEUR Workshop Proceedings. CEUR-WS.org, 2015.
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Andre Hernich, Carsten Lutz, Ana Ozaki, and Frank Wolter. Schema.org as a Description Logic. In Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI-15), 2015.
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Boriv Konev, Carsten Lutz, Frank Wolter, and Michael Zakharyaschev. Conservative Rewritability of Description Logic TBoxes: First Results. In Proceedings of the 28th International Workshop on Description Logics, volume 1350 of CEUR Workshop Proceedings. CEUR-WS.org, 2015.
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Carsten Lutz. Query Rewriting Beyond DL-Lite. In Proceedings of the 28th International Workshop on Description Logics, volume 1350 of CEUR Workshop Proceedings. CEUR-WS.org, 2015.
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Carsten Lutz, Inanç Seylan, and Frank Wolter. Ontology-Mediated Queries with Closed Predicates. In Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI-15), 2015.
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Carsten Lutz and Frank Wolter. On the Relationship between Consistent Query Answering and Constraint Satisfaction Problems. In Proceedings of the 18th International Conference on Database Theory (ICDT15), 2015.
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Leif Sabellek and Thomas Schneider. A Note on Algebraic Closure and Closure under Constraints. In Proceedings of the Workshop on Qualitative Spatial and Temporal Reasoning: Computational Complexity and Algorithms, 2015.
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2014

Víctor Gutiérrez Basulto, Jean Christoph Jung, and Thomas Schneider. Lightweight Description Logics and Branching Time: a Troublesome Marriage. In Proceedings of the 14th International Conference on Principles of Knowledge Representation and Reasoning (KR-14), 2014.
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Meghyn Bienvenu, Balder ten Cate, Carsten Lutz, and Frank Wolter. Ontology-Based Data Access: A Study through Disjunctive Datalog, CSP, and MMSNP. ACM Transactions on Database Systems, 39(4), 2014.
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Stanislav Böhm, Stefan Göller, and Petr Jancar. Equivalence and regularity for real-time one-counter automata. Journal of Computer and System Sciences, 80(4):720–743, 2014.
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Stefan Göller. Computational Aspects of Infinite State Verification. Habiltation thesis, Universität Bremen, 2014.
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Stefan Göller and Markus Lohrey. The First-Order Theory of Ground Tree Rewrite Systems. Logical Methods in Computer Science, 10(1), 2014.
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Peter Hansen, Carsten Lutz, Inanç Seylan, and Frank Wolter. Query Rewriting under EL TBoxes: Efficient Algorithms. In Proceedings of the 27th International Workshop on Description Logics, Vienna, Austria, July 17-20, 2014., volume 1193 of CEUR Workshop Proceedings, pages 197–208. CEUR-WS.org, 2014.
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Yazmín Ibáñez-García. Reasoning Over Description Logic Ontologies under non-standard Assumptions. Dissertation, Free University of Bozen-Bolzano, 2014.
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Yazmín Ibáñez-García, Carsten Lutz, and Thomas Schneider. Finite Model Reasoning in Horn Description Logics. In Proceedings of the 14th International Conference on Principles of Knowledge Representation and Reasoning (KR-14), 2014.
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Jean Christoph Jung. Reasoning in Many Dimensions: Uncertainty and Products of Modal Logics. Dissertation, Universität Bremen, 2014. Published as an electronic publication of Universität Bremen at http://nbn-resolving.de/urn:nbn:de:gbv:46-00104019-10.
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Jean Christoph Jung, Carsten Lutz, Sergey Goncharov, and Lutz Schröder. Monodic Fragments of Probabilistic First-order Logic. In Proceedings of the 41st International Colloquium on Automata, Languages, and Programming (ICALP-14), 2014.
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Boris Konev, Carsten Lutz, Ana Ozaki, and Frank Wolter. Exact Learning of Lightweight Description Logic Ontologies. In Proceedings of the 14th International Conference on Principles of Knowledge Representation and Reasoning (KR-14), 2014.
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2013

Michael Benedikt, Stefan Göller, Stefan Kiefer, and Andrzej Murawski. Bisimilarity of Pushdown Automata is Nonelementary. In Orna Kupferman, editor, Proceedings of the Twenthy-Eighth Annual ACM/IEE Symposium on Logic in Computer Science (LICS 2013). ACM/IEEE, 2013.
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Meghyn Bienvenu, Carsten Lutz, and Frank Wolter. First Order-Rewritability of Atomic Queries in Horn Description Logics. In Proceedings of the 23rd International Joint Conference on Artificial Intelligence (IJCAI-13), 2013.
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Meghyn Bienvenu, Balder ten Cate, Carsten Lutz, and Frank Wolter. Ontology-based Data Access: A Study through Disjunctive Datalog, CSP, and MMSNP. In 32nd ACM Symposium on Principles of Database Systems (PODS' 13). ACM Press, 2013.
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Stanislav Böhm, Stefan Göller, and Petr Jancar. Equivalence of deterministic one-counter automata is NL-complete. In Joan Feigenbaum, editor, Proceedings of the 45th Symposium on Theory of Computing (STOC 2013). ACM, 2013.
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Chiara Del Vescovo, Pavel Klinov, Bijan Parsia, Uli Sattler, Thomas Schneider, and Dmitry Tsarkov. Empirical Study of Logic-Based Modules: Cheap Is Cheerful. In Proceedings of the 12th International Semantic Web Conference (ISWC-13), volume 8218 of LNCS, pages 84–100. Springer, 2013.
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Chiara Del Vescovo, Pavel Klinov, Bijan Parsia, Uli Sattler, Thomas Schneider, and Dmitry Tsarkov. Empirical Study of Logic-Based Modules: Cheap Is Cheerful. In Proceedings of the 26th International Workshop on Description Logics (DL), volume 1014 of CEUR Workshop Proceedings, pages 144–155. CEUR-WS.org, 2013.
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Frank Dylla, Till Mossakowski, Thomas Schneider, and Diedrich Wolter. Algebraic Properties of Qualitative Spatio-Temporal Calculi. In Proceedings of the 11th Conference on Spatial Information Theory (COSIT), volume 8116 of Lecture Notes in Computer Science, pages 516–536. Springer, 2013. The final publication is available at http://link.springer.com/chapter/10.1007%2F978-3-319-01790-7_28.
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Alain Finkel, Stefan Göller, and Christoph Haase. Reachability in Register Machines with Polynomial Updates. In Krishnendu Chatterchee and Jiri Sgall, editors, Proceedings of the 38th International Symposium on Mathematical Foundations of Computer Science (MFCS 2013). Springer, 2013.
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Stefan Göller. The Fixed-Parameter Tractability of Model Checking Concurrent Systems. In Simona Ronchi Della Rocca, editor, Proceedings of the 22nd EACSL Annual Conference on Computer Science Logic (CSL 2013). Dagstuhl - Leibniz-Zentrum fuer Informatik, 2013.
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Stefan Göller and Anthony Widjaja Lin. Refining the Process Rewrite Systems Hierarchy via Ground Tree Rewrite Systems. ACM Transactions of Computational Logic, 2013. accepted.
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Stefan Göller and Markus Lohrey. Branching-time model checking of one-counter processes and timed automata. SIAM Journal of Computing, 2013. to appear.
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Víctor Gutiérrez-Basulto. Towards More Useful Description Logics of Time, Change and Context. Dissertation, Universität Bremen, 2013. Published as an electronic publication of Universität Bremen at http://nbn-resolving.de/urn:nbn:de:gbv:46-00103498-10 .
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Victor Gutiérrez-Basulto, Yazmin Angélica Ibáñez-Garcia, Roman Kontchakov, and Egor V. Kostylev. Conjunctive Queries with Negation over DL-Lite: A Closer Look. In Proceedings of the 7th International Conference on Web Reasoning and Rule Systems (RR 2013), 2013.
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Yazmín Ibáñez-García, Carsten Lutz, and Thomas Schneider. Finite model reasoning in Horn-SHIQ. In Proceedings of the 26th International Workshop on Description Logics (DL), volume 1014 of CEUR Workshop Proceedings, pages 234–245. CEUR-WS.org, 2013.
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Jean Christoph Jung and Carsten Lutz. Ontology-Based Access to Probabilistic Data. In Proceedings of the 26th International Workshop on Description Logics (DL), volume 1014 of CEUR Workshop Proceedings, pages 258–270. CEUR-WS.org, 2013.
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Boris Konev, Carsten Lutz, and Frank Wolter. Exact Learning of TBoxes in EL and DL-Lite. In Proceedings of the 26th International Workshop on Description Logics (DL2013), CEUR-WS.org, 2013.
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Boriv Konev, Carsten Lutz, Dirk Walther, and Frank Wolter. Model-Theoretic Inseparability and Modularity of Description Logic Ontologies. Artificial Intelligence, 2013.
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Carsten Lutz, Inanç Seylan, Frank Wolter, and David Toman. The Combined Approach to OBDA: Taming Role Hierarchies using Filters. In ISWC 2013, 2013.
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Carsten Lutz, Inanc Seylan, and Frank Wolter. Ontology-Based Data Access with Closed Predicates is Inherently Intractable (Sometimes). In Proceedings of the 23rd International Joint Conference on Artificial Intelligence (IJCAI-13), 2013.
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Arne Meier and Thomas Schneider. Generalized Satisfiability for the Description Logic ALC. Theoretical Computer Science, 505:55–73, 2013.
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Balder ten Cate, Enrico Franconi, and Inanç Seylan. Beth Definability in Expressive Description Logics. J. Artif. Intell. Res. (JAIR), 48:347–414, 2013.
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2012

Franz Baader, Silvio Ghilardi, and Carsten Lutz. LTL over description logic axioms. ACM Trans. Comput. Log., 13(3):21, 2012.
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Meghyn Bienvenu, Carsten Lutz, and Frank Wolter. Deciding FO-Rewritability in EL. In Proceedings of the 25th International Workshop on Description Logics (DL2012), CEUR-WS, 2012.
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Meghyn Bienvenu, Carsten Lutz, and Frank Wolter. Query Containment in Description Logics Reconsidered (With Appendix). In Proceedings of the 13nd International Joint Conference on Principles of Knowledge Representation and Reasoning (KR2012), 2012.
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Romain Brenguier, Stefan Göller, and Ocan Sankur. A Comparison of Succinctly Represented Finite-State Systems. In Maciej Koutny and Irek Ulidowski, editors, Proceedings of the of the 23rd International Conference on Concurrency Theory (CONCUR 2012), pages 147–161. Springer, 2012.
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Christopher Broadbent and Stefan Göller. On Bisimilarity of Higher-Order Pushdown Automata: Undecidability at Order Two. In Deepak D' Souza, Jaikumar Radhakrishnan, and Kavitha Telikepalli, editors, Proceedings of Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2012). Leibniz International Proceedings in Informatics (LIPICS), 2012. to appear.
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Chiara Del Vescovo, Pavel Klinov, Bijan Parsia, Uli Sattler, Thomas Schneider, and Dmitry Tsarkov. Syntactic vs. Semantic Locality: How Good Is a Cheap Approximation?. In Proceedings of the 6th Workshop on Modular Ontologies (WoMO-12), volume 875. CEUR-WS.org, 2012.
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Stefan Göller, Christoph Haase, Joël Ouaknine, and James Worrell. Branching-Time Model Checking of Parametric One-Counter Automata. In Lars Birkedal, editor, Proceedings of 15th International Conference on Foundations of Software Science and Computation Structures (FoSSaCS 2012), pages 406–420. Springer, 2012.
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Stefan Göller, Jean Christoph Jung, and Markus Lohrey. The complexity of decomposing modal and first-order theories. In Nachum Derschowitz, editor, Proceedings of the of the 27th ACM/IEEE Symposium on Logic in Computer Science (LICS 2012), pages 325–334. ACM/IEEE, 2012.
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Stefan Göller and Anthony Widjaja Lin. Concurrency Makes Simple Theories Hard. In Christoph Dürr and Thomas Wilke, editors, Proceedings of the of the 29th International Symposium on Theoretical Aspects of Computer Science (STACS 2012). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2012. to appear.
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Stefan Göller, Arne Meier, Martin Mundhenk, Thomas Schneider, Michael Thomas, and Felix Weiß. The Complexity of Monotone Hybrid Logics over Linear Frames and the Natural Numbers. In Thomas Bolander, Torben Braüner, Silvio Ghilardi, and Lawrence Moss, editors, Advances in Modal Logic (AiML-9), pages 261–278. College Publications, 2012.
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Victor Gutiérrez-Basulto, Yazmin Angélica Ibáñez-Garcia, and Roman Kontchakov. An Update on Query Answering with Restricted Forms of Negation. In Proceedings of the 6th International Conference on Web Reasoning and Rule Systems (RR 2012), volume 7497 of Lecture Notes in Computer Science, pages 75–89. Springer, 2012.
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Victor Gutierrez-Basulto, Jean Christoph Jung, and Carsten Lutz. Complexity of Branching Temporal Description Logics (with Appendix). In Proceedings of the 20th European Conference on Artificial Intelligence (ECAI12). IOS Press, 2012.
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Victor Gutiérrez-Basulto and Szymon Klarman. Towards a Unifying Approach to Representing and Querying Temporal Data in Description Logics. In Proceedings of the 6th International Conference on Web Reasoning and Rule Systems (RR 2012), volume 7497 of Lecture Notes in Computer Science, pages 90–105. Springer, 2012.
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Jean Christoph Jung and Carsten Lutz. Ontology-Based Access to Probabilistic Data with OWL-QL (with Appendix). In Proceedings of the 11th International Semantic Web Conference (ISWC 2012). Springer, 2012.
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Pavel Klinov, Chiara Del Vescovo, and Thomas Schneider. Incrementally Updateable and Persistent Decomposition of OWL Ontologies. In Proceedings of the 9th OWL: Experiences and Directions Workshop (OWLED), volume 749 of CEUR Workshop Proceedings. CEUR-WS.org, 2012.
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Carsten Lutz, Inanc Seylan, David Toman, and Frank Wolter. The Combined Approach to OBDA: Taming Role Hierarchies using Filters (With Appendix). In Proceedings of the Joint Workshop on Scalable and High-Performance Semantic Web Systems (SSWS+HPCSW 2012), 2012.
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Carsten Lutz, Inanc Seylan, and Frank Wolter. An Automata-Theoretic Approach to Uniform Interpolation and Approximation in the Description Logic EL (With Appendix). In Proceedings of the 13nd International Joint Conference on Principles of Knowledge Representation and Reasoning (KR2012), 2012.
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Carsten Lutz, Inanc Seylan, and Frank Wolter. Mixing Open and Closed World Assumption in Ontology-Based Data Access: Non-Uniform Data Complexity. In Proceedings of the 25th International Workshop on Description Logics (DL2012), CEUR-WS, 2012.
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Carsten Lutz and Frank Wolter. Non-Uniform Data Complexity of Query Answering in Description Logics (With Appendix). In Proceedings of the 13nd International Joint Conference on Principles of Knowledge Representation and Reasoning (KR2012), 2012.
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Thomas Schneider and Dirk Walther, editors. Proceedings of the 6th International Workshop on Modular Ontologies, volume 875. CEUR-WS.org, 2012.
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2011

Michael Bauland, Martin Mundhenk, Thomas Schneider, Henning Schnoor, Ilka Schnoor, and Heribert Vollmer. The tractability of model checking for LTL: The good, the bad, and the ugly fragments. ACM Transactions on Computational Logic, 12(2):13, 2011.
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Olaf Beyersdorff, Arne Meier, Martin Mundhenk, Thomas Schneider, Michael Thomas, and Heribert Vollmer. Model Checking CTL is Almost Always Inherently Sequential. Logical Methods in Computer Science, 7(2), 2011.
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Stanislav Böhm and Stefan Göller. Language equivalence of deterministic real-time one-counter automata is NL-complete. In Filip Murlak and Piotr Sankowski, editors, Proceedings of the of the 36th International Symposium on Mathematical Foundations of Computer Science (MFCS 2011). Springer, 2011. to appear.
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Chiara Del Vescovo, Damian D.G. Gessler, Pavel Klinov, Bijan Parsia, Uli Sattler, Thomas Schneider, and Andrew Winget. Decomposition and Modular Structure of BioPortal Ontologies. In Proceedings of the 10th International Semantic Web Conference (ISWC-11), volume 7031 of LNCS, pages 130–145. Springer, 2011.
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Chiara Del Vescovo, Bijan Parsia, Uli Sattler, and Thomas Schneider. The Modular Structure of an Ontology: Atomic Decomposition. In Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI-11), pages 2232–2237. AAAI Press, 2011.
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Chiara Del Vescovo, Bijan Parsia, Uli Sattler, and Thomas Schneider. The modular structure of an ontology: atomic decomposition and module count. In Proceedings of the 5th International Workshop on Modular Ontologies (WoMO-11), volume 230 of Frontiers in Artificial Intelligence and Applications, pages 25–39. IOS Press, 2011.
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Enrico Franconi, Yazmin Angélica Ibáñez-Garcia, and Inanç Seylan. Query Answering with DBoxes is Hard. Electr. Notes Theor. Comput. Sci., 278:71–84, 2011.
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Birte Glimm, Yevgeny Kazakov, and Carsten Lutz. Status QIO: An Update. In Proceedings of the 24th International Workshop on Description Logics (DL2011), volume 745 of CEUR-WS, 2011.
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Stefan Göller and Anthony Widjaja Lin. The Complexity of Verifying Ground Tree Rewrite Systems. In Martin Grohe, editor, Proceedings of the of the 26th Annual IEEE Symposium on Logic in Computer Science (LICS 2011). IEEE, 2011. to appear.
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Stefan Göller and Anthony Widjaja Lin. Refining the Process Rewrite Systems Hierarchy via Ground Tree Rewrite Systems. In Joost-Pieter Katoen and Barbara König, editors, Proceedings of the of the 22nd International Conference on Concurrency Theory (CONCUR 2011). Springer, 2011. to appear.
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Stefan Göller and Markus Lohrey. The First-Order Theory of Ground-Tree Rewrite Systems. In Supratik Chakraborty and Amit Kumar, editors, Proceedings of Foundations of Software Technology and Theoretical Computer Science (FSTTCS 2011). Leibniz International Proceedings in Informatics (LIPICS), 2011. to appear.
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Víctor Gutiérrez-Basulto, Jean Christoph Jung, Carsten Lutz, and Lutz Schröder. A Closer Look at the Probabilistic Description Logic Prob-EL. In Proceedings of Twenty-Fifth Conference on Artificial Intelligence (AAAI-11), 2011.
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Victor Gutierrez-Basulto, Jean Christoph Jung, Carsten Lutz, and Lutz Schröder. The Complexity of Probabilistic EL. In Proceedings of the 24th International Workshop on Description Logics (DL2011), volume 745 of CEUR-WS, 2011.
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Mark Kaminski, Thomas Schneider, and Gert Smolka. Correctness and Worst-Case Optimality of Pratt-Style Decision Procedures for Modal and Hybrid Logics. In K. Brünnler and G. Metcalfe, editors, Proceedings of the 20th International Conference on Automated Reasoning with Analytic Tableaux and Related Methods (TABLEAUX-11), volume 6793 of LNCS, pages 196–210. Springer, 2011.
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Szymon Klarman and Víctor Gutiérrez-Basulto. Two-Dimensional Description Logics for Context-Based Semantic Interoperability. In Proceedings of Twenty-Fifth Conference on Artificial Intelligence (AAAI-11), 2011.
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Szymon Klarman and Víctor Gutiérrez-Basulto. Two-Dimensional Description Logics of Context. In Proceedings of the 24th International Workshop on Description Logics (DL2011), CEUR-WS, 2011.
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Boris Konev, Roman Kontchakov, Michel Ludwig, Thomas Schneider, Frank Wolter, and Michael Zakharyaschev. Conjunctive Query Inseparability of OWL 2 QL TBoxes. In Proceedings of the Twenty-Fifth Conference on Artificial Intelligence (AAAI-11), 2011. To appear.
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Boris Konev, Roman Kontchakov, Michel Ludwig, Thomas Schneider, Frank Wolter, and Michael Zakharyaschev. Module Extraction via Query Inseparability in OWL 2 QL. In Proceedings of the Twenty-Fourth International Workshop on Description Logics (DL-11), volume 745 of CEUR Workshop Proceedings. CEUR-WS.org, 2011.
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Roman Kontchakov, Carsten Lutz, David Toman, Frank Wolter, and Michael Zakharyaschev. The Combined Approach to Ontology-Based Data Access. In Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI-11), 2011.
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Oliver Kutz and Thomas Schneider, editors. Modular Ontologies – Proceedings of the Fifth International Workshop, volume 230 of Frontiers in Artificial Intelligence and Applications. IOS Press, 2011.
Bibtex entry

Hongkai Liu, Carsten Lutz, Maja Milicic, and Frank Wolter. Foundations of instance level updates in expressive description logics. Artificial Intelligence, 175(18):2170–2197, 2011.
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Carsten Lutz, Robert Piro, and Frank Wolter. Description Logic TBoxes: Model-theoretic Characterizations and Rewritability. In Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI-11), 2011.
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Carsten Lutz and Frank Wolter. Foundations for Uniform Interpolation and Forgetting in Expressive Description Logics. In Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI-11), 2011.
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Carsten Lutz and Frank Wolter. Non-Uniform Data Complexity of Query Answering in Description Logics (With Appendix). In Proceedings of the 24th International Workshop on Description Logics (DL2011), volume 745 of CEUR-WS, 2011.
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Arne Meier and Thomas Schneider. Generalized Satisfiability for the Description Logic ALC (Extended Abstract). In M. Ogihara and J. Tarui, editors, Proceedings of the 8th Annual Conference on Theory and Applications of Models of Computation (TAMC-11), volume 6648 of Lecture Notes in Computer Science, pages 552–562. Springer, 2011.
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Alan L. Rector, Sam Brandt, and Thomas Schneider. Getting the foot out of the pelvis: modeling problems affecting use of SNOMED CT hierarchies in practical applications. JAMIA, 18(4):432–440, 2011.
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Balder ten Cate, Enrico Franconi, and Inanç Seylan. Beth Definability in Expressive Description Logics. In Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI-11), 2011. to appear.
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2010

Franz Baader, Meghyn Bienvenu, Carsten Lutz, and Frank Wolter. Query and Predicate Emptiness in Description Logics. In Fangzhen Lin and Ulrike Sattler, editors, Proceedings of the 12th International Conference on Principles of Knowledge Representation and Reasoning (KR2010). AAAI Press, 2010.
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Meghyn Bienvenu, Thomas Eiter, Carsten Lutz, Magdalena Ortiz, and Mantas Simkus. Query answering in the Description Logic S. In Proceedings of the 23rd International Workshop on Description Logics (DL2010), CEUR-WS, 2010.
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Meghyn Bienvenu, Hélène Fargier, and Pierre Marquis. Knowledge Compilation in the Modal Logic S5. In Proceedings of the Twenty-Fifth Conference on Artificial Intelligence (AAAI-10), 2008.
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Meghyn Bienvenu, Jérôme Lang, and Nic Wilson. From preference logics to preference languages, and back. In Fangzhen Lin and Ulrike Sattler, editors, Proceedings of the 12th International Conference on Principles of Knowledge Representation and Reasoning (KR2010). AAAI Press, 2010.
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Stanislav Böhm, Stefan Göller, and Petr Jancar. Bisimilarity of One-Counter Processes is PSPACE-complete. In Paul Gastin and Francois Laroussinie, editors, Proceedings of the 21st International Conference on Concurrency Theory (CONCUR 2010). Springer, 2010.
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Stefan Göller, Christoph Haase, Joël Ouaknine, and James Worrell. Model Checking Succinct and Parametric One-Counter Automata. In Samson Abramsky, editor, Proceedings of the 37th International Colloquium on Automata, Languages and Programming (ICALP 2010). Springer, 2010.
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Stefan Göller and Markus Lohrey. Branching-time Model Checking of One-counter Processes. In Jean-Yves Marion and Thomas Schwentick, editors, Proceedings of the 27th International Symposium of Theoretical Aspects of Computer Science (STACS 2010). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2010.
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Szymon Klarman and Victor Gutierrez-Basulto. ALC_ALC: a Context Description Logic. In Proceedings of the 12th European Conference on Logics in Artificial Intelligence (JELIA 2010), 2010.
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Boris Konev, Carsten Lutz, Denis Ponomaryov, and Frank Wolter. Decomposing Description Logic Ontologies. In Fangzhen Lin and Ulrike Sattler, editors, Proceedings of the 12th International Conference on Principles of Knowledge Representation and Reasoning (KR2010). AAAI Press, 2010.
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Roman Kontchakov, Carsten Lutz, David Toman, Frank Wolter, and Michael Zakharyaschev. The Combined Approach to Query Answering in DL-Lite. In Fangzhen Lin and Ulrike Sattler, editors, Proceedings of the 12th International Conference on Principles of Knowledge Representation and Reasoning (KR2010). AAAI Press, 2010.
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Carsten Lutz, Robert Piro, and Frank Wolter. Enriching EL-Concepts with Greatest Fixpoints. In Proceedings of the 19th European Conference on Artificial Intell igence (ECAI10). IOS Press, 2010.
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Carsten Lutz, Robert Piro, and Frank Wolter. EL-concepts go Second Order: Greatest Fixpoints and Simulation Quantifiers. In Proceedings of the 23rd International Workshop on Description Logics (DL2010), CEUR-WS, 2010.
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Carsten Lutz and Lutz Schröder. Probabilistic Description Logics for Subjective Uncertainty. In Fangzhen Lin and Ulrike Sattler, editors, Proceedings of the 12th International Conference on Principles of Knowledge Representation and Reasoning (KR2010). AAAI Press, 2010.
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Carsten Lutz and Frank Wolter. Deciding inseparability and conservative extensions in the description logic EL. Journal of Symbolic Computation, 45(2):194–228, 2010.
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2009

Franz Baader, Meghyn Bienvenu, Carsten Lutz, and Frank Wolter. Query Answering over DL ABoxes: How to Pick the Relevant Symbols. In Proceedings of the 22nd International Workshop on Description Logics (DL2009), volume 477 of CEUR-WS, 2009.
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Meghyn Bienvenu. Prime Implicates and Prime Implicants: From Propositional to Modal Logic. Journal of Artificial Intelligence Research, 36:71–128, 2009.
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Piero Bonatti, Carsten Lutz, and Frank Wolter. The Complexity of Circumscription in Description Logic. Journal of Artificial Intelligence Research (JAIR), 35:717–775, 2009.
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Balder ten Cate and Carsten Lutz. The complexity of query containment in expressive fragments of XPath 2.0. Journal of the ACM, 56(6), 2009.
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Thomas Eiter, Carsten Lutz, Magdalena Ortiz, and Mantas Simkus. Query Answering in Description Logics: The Knots Approach. In Hiroakira Ono, Makoto Kanazawa, and Ruy J. G. B. de Queiroz, editors, Proceedings of the 16th International Workshop on Logic, Language, Information and Computation (WoLLIC 2009), volume 5514 of LNCS, pages 26–36. Springer, 2009.
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Thomas Eiter, Carsten Lutz, Magdalena Ortiz, and Mantas Simkus. Query Answering in Description Logics with Transitive Roles. In Proceedings of the 21st International Joint Conference on Artificial Intelligence (IJCAI09). AAAI Press, 2009.
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Stefan Göller, Markus Lohrey, and Carsten Lutz. PDL with Intersection and Converse: Satisfiability and Infinite-State Model Checking. Journal of Symbolic Logic, 74(1):279–314, 2009.
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Stefan Göller, Richard Mayr, and Anthony Widjaja To. On the Computational Complexity of Verifying One-Counter Processes. In Proceedings of the 24th Annual IEEE Symposium on Logic in Computer Science (LICS09). IEEE Computer Society, 2009.
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Boris Konev, Carsten Lutz, Dirk Walther, and Frank Wolter. Formal properties of modularization. In Heiner Stuckenschmidt, Christine Parent, and Stefano Spaccapietra, editors, Modular Ontologies: Concepts, Theories and Techniques for Knowledge Modularization, volume 5445 of Lecture Notes in Computer Science, pages 25–66. Springer, 2009.
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Roman Kontchakov, Carsten Lutz, David Toman, Frank Wolter, and Michael Zakharyaschev. Combined FO Rewritability for Conjunctive Query Answering in DL-Lite. In Proceedings of the 22nd International Workshop on Description Logics (DL2009), volume 477 of CEUR-WS, 2009.
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Carsten Lutz, David Toman, and Frank Wolter. Conjunctive Query Answering in the Description Logic EL using a Relational Database System. In Proceedings of the 21st International Joint Conference on Artificial Intelligence (IJCAI09). AAAI Press, 2009.
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Carsten Lutz and Frank Wolter. Mathematical Logic for Life Science Ontologies. In Hiroakira Ono, Makoto Kanazawa, and Ruy J. G. B. de Queiroz, editors, Proceedings of the 16th International Workshop on Logic, Language, Information and Computation (WoLLIC 2009), volume 5514 of LNCS, pages 37–47. Springer, 2009.
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2008

Franz Baader, Sebastian Brandt, and Carsten Lutz. Pushing the EL Envelope Further. In Kendall Clark and Peter F. Patel-Schneider, editors, In Proceedings of the OWLED 2008 DC Workshop on OWL: Experiences and Directions, 2008.
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Franz Baader, Silvio Ghilardi, and Carsten Lutz. LTL over Description Logic Axioms. In Gerhard Brewka and Jérôme Lang, editors, Proceedings of the 11th International Conference on Principles of Knowledge Representation and Reasoning (KR2008), pages 684–694. AAAI Press, 2008.
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Franz Baader, Silvio Ghilardi, and Carsten Lutz. LTL over Description Logic Axioms. In Proceedings of the 21st International Workshop on Description Lo gics (DL2008), volume 353 of CEUR-WS, 2008.
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Meghyn Bienvenu. Complexity of Abduction in the EL Family of Lightweight Description Logics. In Gerhard Brewka and Jérôme Lang, editors, Proceedings of the Eleventh International Conference on Principles of Knowledge Representation and Reasoning (KR08), pages 220–230. AAAI Press, 2008.
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Meghyn Bienvenu. Prime Implicate Normal Form for ALC Concepts. In Proceedings of the Twenty-Third Conference on Artificial Intelligence (AAAI-08), pages 412–417. AAAI Press, 2008.
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P. Bonatti, C. Lutz, A. Murano, and M. Vardi. The Complexity of Enriched mu-Calculi. Logical Methods in Computer Science, 4(3), 2008.
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Birte Glimm, Carsten Lutz, Ian Horrocks, and Ulrike Sattler. Answering conjunctive queries in the SHIQ description logic. Journal of Artificial Intelligence Research, 31:150–197, 2008.
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Christoph Haase and Carsten Lutz. Complexity of Subsumption in the EL Family of Description Logics: Acyclic and Cyclic TBoxes. In Malik Ghallab, Constantine D. Spyropoulos, Nikos Fakotakis, and Nikos Avouris, editors, Proceedings of the 18th European Conference on Artificial Intelligence (ECAI08), volume 178 of Frontiers in Artificial Intelligence and Applications, pages 25–29. IOS Press, 2008.
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Boris Konev, Carsten Lutz, Dirk Walther, and Frank Wolte r. Logical Difference and Module Extraction with CEX and MEX. In Proceedings of the 21st International Workshop on Description Lo gics (DL2008), volume 353 of CEUR-WS, 2008.
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Boris Konev, Carsten Lutz, Dirk Walther, and Frank Wolter. CEX and MEX: Logical Diff and Semantic Module Extraction in a Fragment of OWL. In Kendall Clark and Peter F. Patel-Schneider, editors, In Proceedings of the OWLED 2008 DC Workshop on OWL: Experiences and Directions, 2008.
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Boris Konev, Carsten Lutz, Dirk Walther, and Frank Wolter. Semantic Modularity and Module Extraction in Description Logics. In Malik Ghallab, Constantine D. Spyropoulos, Nikos Fakotakis, and Nikos Avouris, editors, Proceedings of the 18th European Conference on Artificial Intelligence (ECAI08), volume 178 of Frontiers in Artificial Intelligence and Applications, pages 55–59. IOS Press, 2008.
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Hongkai Liu, Carsten Lutz, and Maja Milicic. The Projection Problem for EL Actions. In Proceedings of the 2008 International Workshop on Description Logics (DL2008), volume 353 of CEUR-WS, 2008.
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Carsten Lutz. The Complexity of Conjunctive Query Answering in Expressive Description Logics. In Alessandro Armando, Peter Baumgartner, and Gilles Dowek, editors, Proceedings of the 4th International Joint Conference on Automated Reasoning (IJCAR2008), number 5195 in LNAI, pages 179–193. Springer, 2008.
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Carsten Lutz. Two Upper Bounds for Conjunctive Query Answering in SHIQ. In Proceedings of the 21st International Workshop on Description Logics (DL2008), volume 353 of CEUR-WS, 2008.
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Carsten Lutz, David Toman, and Frank Wolter. Conjunctive Query Answering in EL using a Database System. In Catherine Dolbear, Alan Ruttenberg, and Ulrike Sattler, editors, Proceedings of the Fifth Workshop on OWL: Experiences and Directions (OWLED), 2008.
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Carsten Lutz, Frank Wolter, and Michael Zakharyaschev. Temporal Description Logics: A Survey. In Proceedings of the Fifteenth International Symposium on Temporal Representation and Reasoning. IEEE Computer Society Press, 2008.
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2007

Alessandro Artale, Roman Kontchakov, Carsten Lutz, Frank Wolter, and Michael Zakharyaschev. Temporalising Tractable Description Logics. In Proceedings of the Fourteenth International Symposium on Temporal Representation and Reasoning. IEEE Computer Society Press, 2007.
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Alessandro Artale, Carsten Lutz, and David Toman. A Description Logic of Change. In Manuela Veloso, editor, Proceedings of the Twentieth International Joint Conference on Artificial Intelligence (IJCAI'07), pages 218–223. AAAI Press, 2007.
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Franz Baader, Carsten Lutz, and Boontawee Suntisrivaraporn. Is Tractable Reasoning in Extensions of the Description Logic EL Useful in Practice?. In Journal of Logic, Language and Information, Special Issue on Method for Modality (M4M), 2007. To appear.
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Birte Glimm, Carsten Lutz, Ian Horrocks, and Ulrike Sattler. Answering conjunctive queries in the SHIQ description logic. In Manuela Veloso, editor, Proceedings of the Twentieth International Joint Conference on Artificial Intelligence (IJCAI'07), pages 299–404. AAAI Press, 2007.
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Stefan Göller, Markus Lohrey, and Carsten Lutz. PDL with Intersection and Converse is 2EXP-complete. In Helmut Seidl, editor, Proceedings of the Tenth International Conference on Foundations of Software Science and Computation Structures (FoSSaCS'07), volume 4423 of Lecture Notes in Computer Science, pages 198–212. Springer-Verlag, 2007.
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Adila Krisnadhi and Carsten Lutz. Data Complexity in the EL family of Description Logics. In Nachum Dershowitz and Andrei Voronkov, editors, Proceedings of the 14th International Conference on Logic for Programming, Artificial Intelligence, and Reasoning (LPAR2007), volume 4790 of Lecture Notes in Artificial Intelligence, pages 333–347. Springer-Verlag, 2007.
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Adila Krisnadhi and Carsten Lutz. Data Complexity in the EL family of DLs. In Proceedings of the 2007 International Workshop on Description Logics (DL2007), volume 250 of CEUR-WS, 2007.
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Cristoph Löding, Carsten Lutz, and Olivier Serre. Propositional Dynamic Logic with Recursive Programs. Journal of Logic and Algebraic Programming, 73:51–69, 2007.
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Carsten Lutz. Inverse Roles Make Conjunctive Queries Hard. In Proceedings of the 2007 International Workshop on Description Logics (DL2007), volume 250 of CEUR-WS, 2007.
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Carsten Lutz and Maja Milicic. A Tableau Algorithm for DLs with Concrete Domains and GCIs. Journal of Automated Reasoning, 38(1–3):227–259, 2007.
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Carsten Lutz, Dirk Walther, and Frank Wolter. Conservative Extensions in Expressive Description Logics. In Manuela Veloso, editor, Proceedings of the Twentieth International Joint Conference on Artificial Intelligence (IJCAI'07), pages 453–458. AAAI Press, 2007.
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Carsten Lutz and Frank Wolter. Conservative Extensions in the Lightweight Description Logic EL. In Frank Pfenning, editor, Proceedings of the 21th Conference on Automated Deduction (CADE-21), volume 4603 of Lecture Notes in Artificial Intelligence, pages 84–99. Springer-Verlag, 2007.
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Balder ten Cate and Carsten Lutz. Query Containment in Very Expressive XPath dialects. In Leonid Libkin, editor, 26th ACM Symposium on Principles of Database Systems (PODS'07), pages 73–82. ACM Press, 2007.
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2006

F. Baader and C. Lutz. Description Logic. In Patrick Blackburn, Johan van Benthem, and Frank Wolter, editors, The Handbook of Modal Logic, pages 757–820. Elsevier, 2006.
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F. Baader, C. Lutz, and B. Suntisrivaraporn. CEL—A Polynomial-time Reasoner for Life Science Ontologies. In U. Furbach and N. Shankar, editors, Proceedings of the 3rd International Joint Conference on Automated Reasoning (IJCAR'06), volume 4130 of Lecture Notes in Artificial Intelligence, pages 287–291. Springer-Verlag, 2006.
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F. Baader, C. Lutz, and B. Suntisrivaraporn. Efficient Reasoning in EL+. In Proceedings of the 2006 International Workshop on Description Logics (DL'06), volume 189 of CEUR-WS, 2006.
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P. Bonatti, C. Lutz, A. Murano, and M. Vardi. The Complexity of Enriched µ-Calculi. In Michele Bugliesi, Bart Preneel, Vladimiro Sassone, and Ingo Wegener, editors, Proccedings of the 33rd International Colloquium on Automata, Languages and Programming, Part II (ICALP'06), volume 4052 of Lecture Notes in Computer Science, pages 540–551. Springer-Verlag, 2006.
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P. Bonatti, C. Lutz, and F. Wolter. Expressive Non-Monotonic Description Logics Based on Circumscription. In Patrick Doherty, John Mylopoulos, and Christopher Welty, editors, Proceedings of the Tenth International Conference on Principles of Knowledge Representation and Reasoning (KR'06), pages 400–410. AAAI Press, 2006.
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S. Ghilardi, C. Lutz, and F. Wolter. Did I Damage my Ontology? A Case for Conservative Extensions in Description Logics. In Patrick Doherty, John Mylopoulos, and Christopher Welty, editors, Proceedings of the Tenth International Conference on Principles of Knowledge Representation and Reasoning (KR'06), pages 187–197. AAAI Press, 2006.
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S. Ghilardi, C. Lutz, F. Wolter, and M. Zakharyaschev. Conservative Extensions in Modal Logics. In Guido Governatori, Ian Hodkinson, and Yde Venema, editors, Advances in Modal Logics Volume 6, pages 187–207. College Publications, 2006.
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H. Liu, C. Lutz, M. Milicic, and F. Wolter. Description Logic Actions with general TBoxes: a Pragmatic Approach. In Proceedings of the 2006 International Workshop on Description Logics (DL2006), 2006.
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H. Liu, C. Lutz, M. Milicic, and F. Wolter. Reasoning about Actions using Description Logics with general TBoxes. In Michael Fisher, Wiebe van der Hoek, Boris Konev, and Alexei Lisitsa, editors, Proceedings of the 10th European Conference on Logics in Artificial Intelligence (JELIA 2006), volume 4160 of Lecture Notes in Artificial Intelligence, pages 266–279. Springer-Verlag, 2006.
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H. Liu, C. Lutz, M. Milicic, and F. Wolter. Updating Description Logic ABoxes. In Patrick Doherty, John Mylopoulos, and Christopher Welty, editors, Proceedings of the Tenth International Conference on Principles of Knowledge Representation and Reasoning (KR'06), pages 46–56. AAAI Press, 2006.
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C. Lutz. Complexity and Succinctness of Public Announcement Logic. In Peter Stone and Gerhard Weiss, editors, Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS'06), pages 137–144. Association for Computing Machinery (ACM), 2006.
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C. Lutz and M. Milicic. A Tableau Algorithm for DLs with Concrete Domains and GCIs. Journal of Automated Reasoning, 38(1–3):227–259, 2007.
Bibtex entry  Paper (PDF)

C. Lutz, D. Walther, and F. Wolter. Quantitative Temporal Logics: PSpace and below. Information and Computation, 205(1):99–123, 2006.
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C. Lutz and F. Wolter. Modal Logics of Topological Relations. Logical Methods in Computer Science, 2(2), 2006.
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Carsten Lutz, Franz Baader, Enrico Franconi, Domenico Lembo, Ralf Möller, Riccardo Rosati, Ulrike Sattler, Boontawee Suntisrivaraporn, and Sergio Tessaris. Reasoning Support for Ontology Design. In Proceedings of the 2006 Workshop on OWL: Experiences and Directions, 2006.
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D. Walther, C. Lutz, F. Wolter, and M. Wooldridge. ATL is Indeed ExpTime-complete. Journal of Logic and Computation, 16(6):765–787, 2006.
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2005

F. Baader, S. Brandt, and C. Lutz. Pushing the EL Envelope. In Leslie Pack Kaelbling and Alessandro Saffiotti, editors, Proceedings of the Nineteenth International Joint Conference on Artificial Intelligence IJCAI-05, pages 364–369. Morgan-Kaufmann Publishers, 2005.
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F. Baader, C. Lutz, M. Milicic, U. Sattler, and F. Wolter. A Description Logic Based Approach to Reasoning about Web Services. In Proceedings of the WWW 2005 Workshop on Web Service Semantics (WSS2005), Chiba City, Japan, 2005.
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F. Baader, C. Lutz, M. Milicic, U. Sattler, and F. Wolter. Integrating Description Logics and Action Formalisms: First Results. In Manuela M. Veloso and Subbarao Kambhampati, editors, Proceedings of the Twentieth National Conference on Artificial Intelligence (AAAI-05), pages 572–577. AAAI Press, 2005.
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F. Baader, C. Lutz, M. Milicic, U. Sattler, and F. Wolter. Integrating Description Logics and Action Formalisms: First Results. In Proceedings of the 2005 International Workshop on Description Logics (DL2005), number 147 in CEUR-WS, 2005.
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F. Baader, C. Lutz, and B. Suntisrivaraporn. Is Tractable Reasoning in Extensions of the Description Logic EL Useful in Practice?. In Proceedings of the Methods for Modalities Workshop (M4M-05), Berlin, Germany, 2005.
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Franz Baader, Carsten Lutz, Eldar Karabaev, and Manfred Theißen. A new -ary existential quantifier in description logics. In Ulrich Furbach, editor, Proceedings of the 28th Annual German Conference on Artificial Intelligence (KI'05), volume 3698 of Lecture Notes in Computer Science, pages 18–33. Springer, 2005.
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Franz Baader, Carsten Lutz, Eldar Karabaev, and Manfred Theißen. A New n-ary Existential Quantifier in Description Logics. In Proceedings of the 2005 International Workshop on Description Logics (DL2005), number 147 in CEUR-WS, 2005.
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M. Lange and C. Lutz. 2-ExpTime lower bounds for Propositional Dynamic Logics with intersection. Journal of Symbolic Logic, 70(5):1072–1086, 2005.
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C. Lutz. PDL with Intersection and Converse is Decidable. In C.-H. Luke Ong, editor, Computer Science Logic (CSL'05), volume 3634 of Lecture Notes in Computer Science, pages 413–427. Springer-Verlag, 2005.
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C. Lutz, C. Areces, I. Horrocks, and U. Sattler. Keys, Nominals, and Concrete Domains. Journal of Artificial Intelligence Research, 23:667–726, 2005.
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C. Lutz and M. Milicic. A Tableau Algorithm for Description Logics with Concrete Domains and GCIs. In Bernhard Beckert, editor, Proceedings of the 14th International Conference on Automated Reasoning with Analytic Tableaux and Related Methods TABLEAUX 2005, volume 3702 of LNAI, pages 201–216, Koblenz, Germany, 2005. Springer.
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C. Lutz and M. Milicic. A Tableau Algorithm for DLs with Concrete Domains and GCIs. In Proceedings of the 2005 International Workshop on Description Logics (DL2005), number 147 in CEUR-WS, 2005.
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C. Lutz, U. Sattler, and L. Tendera. The Complexity of Finite Model Reasoning in Description Logics. Information and Computation, 199:132–171, 2005.
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C. Lutz and D. Walther. PDL with Negation of Atomic Programs. Journal of Applied Non-Classical Logic, 15(2):189–214, 2005.
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C. Lutz, D. Walther, and F. Wolter. Quantitative Temporal Logics: PSpace and below. In Proceedings of the Twelfth International Symposium on Temporal Representation and Reasoning, pages 138–146. IEEE Computer Society Press, 2005.
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2004

A. Artale and C. Lutz. A Correspondence between Temporal Description Logics. Journal of Applied Non-Classical Logic, 14(1–2):209–233, 2004.
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E. Karabaev and C. Lutz. Mona as a DL Reasoner. In Proceedings of the 2004 International Workshop on Description Logics (DL2004), CEUR-WS, 2004.
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R. Kontchakov, C. Lutz, F. Wolter, and M. Zakharyaschev. Temporal Tableaux. Studia Logica, 76(1):91–134, 2004.
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O. Kutz, C. Lutz, F. Wolter, and M. Zakharyaschev. E-Connections of Abstract Description Systems. Artificial Intelligence, 156(1):1–73, 2004.
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C. Lutz. Combining Interval-based Temporal Reasoning with General TBoxes. Artificial Intelligence, 152(2):235–274, 2004.
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C. Lutz and M. Milicic. Description Logics with Concrete Domains and Functional Dependencies. In Ramon López de Mántaras and Lorenza Saitta, editors, Proceedings of the 16th International Conference on Artificial Intelligence (ECAI'04), pages 378–382. IOS Press, 2004.
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C. Lutz and D. Walther. PDL with Negation of Atomic Programs. In David Basin and Michael Rusinowitch, editors, Proceedings of the 2nd International Joint Conference on Automated Reasoning (IJCAR'04), volume 3097 of Lecture Notes in Artificial Intelligence, pages 259–273. Springer Verlag, 2004.
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C. Lutz and F. Wolter. Modal Logics of Topological Relations. In Renate Schmidt, Ian Pratt-Hartmann, Mark Reynolds, and Heinrich Wansing, editors, Proceedings of the 2004 Confernce on Advances in Modal Logic (AiML'04), pages 249–263. King's College Publications, 2004.
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Carsten Lutz. NExpTime-complete Description Logics with Concrete Domains. ACM Transactions on Computational Logic, 5(4):669–705, 2004.
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2003

F. Baader, J. Hladik, C. Lutz, and F. Wolter. From Tableaux to Automata for Description Logics. In Moshe Vardi and Andrei Voronkov, editors, Proceedings of the 10th International Conference on Logic for Programming, Artificial Intelligence, and Reasoning (LPAR 2003), volume 2850 of Lecture Notes in Computer Science, pages 1–32. Springer, 2003.
Bibtex entry  Paper (PS)  ©Springer-Verlag

Franz Baader, Jan Hladik, Carsten Lutz, and Frank Wolter. From Tableaux to Automata for Description Logics. Fundamenta Informaticae, 57:1–33, 2003.
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O. Kutz, C. Lutz, F. Wolter, and M. Zakharyaschev. E-connections of Description Logics. In Proceedings of the 2003 International Workshop on Description Logics (DL2003), CEUR-WS, 2003.
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C. Lutz. Description Logics with Concrete Domains—A Survey. In Philippe Balbiani, Nobu-Yuki Suzuki, Frank Wolter, and Michael Zakharyaschev, editors, Advances in Modal Logics Volume 4, pages 265–296. King's College Publications, 2003.
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C. Lutz, C. Areces, I. Horrocks, and U. Sattler. Keys, Nominals, and Concrete Domains. In Proceedings of the Eighteenth International Joint Conference on Artificial Intelligence (IJCAI'03), pages 349–354. Morgan-Kaufmann Publishers, 2003.
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C. Lutz, U. Sattler, and L. Tendera. The Complexity of Finite Model Reasoning in Description Logics. In Proceedings of the 19th Conference on Automated Deduction (CADE-19), Lecture Notes in Artificial Intelligence, pages 60–74. Springer Verlag, 2003.
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C. Lutz, U.Sattler, and L. Tendera. Finite Model reasoning in ALCQI is ExpTime-complete. In Proceedings of the 2003 International Workshop on Description Logics (DL2003), CEUR-WS, 2003.
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C. Lutz, F. Wolter, and M. Zakharyaschev. Reasoning about concepts and similarity. In Proceedings of the 2003 International Workshop on Description Logics (DL2003), CEUR-WS, 2003.
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C. Lutz, F. Wolter, and M. Zakharyaschev. A Tableau Algorithm for Reasoning about Concepts and Similarity. In Proceedings of the 2003 International Conference on Automated Reasoning with Analytic Tableaux and Related Methods (TABLEAUX'03), volume 2796 of Lecture Notes in Artificial Intelligence, pages 134–149. Springer Verlag, 2003.
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2002

C. Areces and C. Lutz. Concrete Domains and Nominals United.. In Carlos Areces, Patrick Blackburn, Maarten Marx, and Ulrike Sattler, editors, Proceedings of the fourth Workshop on Hybrid Logics (HyLo'02), 2002.
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F. Baader, C. Lutz, H. Sturm, and F. Wolter. Fusions of Description Logics and Abstract Description Systems. Journal of Artificial Intelligence Research (JAIR), 16:1–58, 2002.
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C. Lutz. Adding Numbers to the SHIQ Description Logic—First Results. In Proceedings of the Eighth International Conference on Principles of Knowledge Representation and Reasoning (KR'02), pages 191–202. Morgan Kaufman, 2002.
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C. Lutz. Description Logics with Concrete Domains—A Survey. In Advances in Modal Logic 2002 (AiML 2002), Toulouse, France, 2002. Final version appeared in Advanced in Modal Logic Volume 4, 2003.
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C. Lutz. PSpace Reasoning with the Description Logic ALCF(D). Logic Journal of the IGPL, 10(5):535–568, 2002.
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C. Lutz. Reasoning about Entity Relationship Diagrams with Complex Attribute Dependencies. In I. Horrocks and S. Tessaris, editors, Proceedings of the 2002 International Workshop on Description Logics (DL'02), 2002.
Bibtex entry  Paper (PS)

C. Lutz and U. Sattler. A Proposal for Describing Services with DLs. In I. Horrocks and S. Tessaris, editors, Proceedings of the 2002 International Workshop on Description Logics (DL'02), 2002.
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C. Lutz, H. Sturm, F. Wolter, and M. Zakharyaschev. A Tableau Decision Algorithm for Modalized ALC with Constant Domains. Studia Logica, 72(2):199–232, 2002.
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2001

C. Lutz. Interval-based Temporal Reasoning with General TBoxes. In Bernhard Nebel, editor, Proceedings of the Seventeenth International Joint Conference on Artificial Intelligence IJCAI-01, pages 89–94, Seattle, Washington, USA, 2001. Morgan-Kaufmann Publishers.
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C. Lutz. NExpTime-complete Description Logics with Concrete Domains. In Rajeev Goré, Alexander Leitsch, and Tobias Nipkow, editors, Proceedings of the International Joint Conference on Automated Reasoning, number 2083 in Lecture Notes in Artifical Intelligence, pages 45–60, Siena, Italy, 2001. Springer Verlag.
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C. Lutz and U. Sattler. The Complexity of Reasoning with Boolean Modal Logics. In Frank Wolter, Heinrich Wansing, Maarten de Rijke, and Michael Zakharyaschev, editors, Advances in Modal Logics Volume 3. CSLI Publications, Stanford, 2001.
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C. Lutz, U. Sattler, and F. Wolter. Description Logics and the Two-Variable Fragment. In D.L. McGuiness, P.F. Pater-Schneider, C. Goble, and R. Möller, editors, Proceedings of the 2001 International Workshop in Description Logics (DL-2001), pages 66–75, Stanford, California, USA, 2001. Proceedings online available from http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/.
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C. Lutz, U. Sattler, and F. Wolter. Modal Logic and the two-variable fragment. In Laurent Fribourg, editor, Computer Science Logic (CSL'01), volume 2142 of Lecture Notes in Computer Science, pages 247–261. Springer-Verlag, 2001.
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C. Lutz, H. Sturm, F. Wolter, and M. Zakharyaschev. Tableaux for Temporal Description Logic with Constant Domain. In Rajeev Goré, Alexander Leitsch, and Tobias Nipkow, editors, Proceedings of the International Joint Conference on Automated Reasoning, number 2083 in Lecture Notes in Artifical Intelligence, pages 121–136, Siena, Italy, 2001. Springer Verlag.
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2000

F. Baader, C. Lutz, H. Sturm, and F. Wolter. Fusions of Description Logics. In F. Baader and U. Sattler, editors, Proceedings of the International Workshop in Description Logics 2000 (DL2000), number 33 in CEUR-WS, pages 21–30, Aachen, Germany, August 2000. RWTH Aachen. Proceedings online available from http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/Vol-33/.
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C. Lutz. NExpTime-Complete Description Logics with Concrete Domains. In C. Pilière, editor, Proceedings of the ESSLLI-2000 Student Session, University of Birmingham, August 2000.
Bibtex entry  Paper (PS)

C. Lutz and U. Sattler. The Complexity of Reasoning with Boolean Modal Logic. In Advances in Modal Logic 2000 (AiML 2000), Leipzig, Germany, 2000. Final version appeared in Advanced in Modal Logic Volume 3, 2001.
Bibtex entry

C. Lutz and U. Sattler. Mary likes all Cats. In F. Baader and U. Sattler, editors, Proceedings of the 2000 International Workshop in Description Logics (DL2000), number 33 in CEUR-WS, pages 213–226, Aachen, Germany, August 2000. RWTH Aachen. Proceedings online available from http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/Vol-33/.
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1999 and older

A. Artale and C. Lutz. A Correspondance between Temporal Description Logics. In Patrick Lambrix, Alex Borgida, Maurizio Lenzerini, Ralf Möller, and Peter Patel-Schneider, editors, Proceedings of the International Workshop on Description Logics (DL'99), number 22 in CEUR-WS, pages 145–149, Linkoeping, Sweden, July 30 – August 1 1999. Linköping University. Proceedings online available from http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/Vol-22/.
Bibtex entry  Paper (PS)

V. Haarslev, C. Lutz, and R. Möller. A Description Logic with Concrete Domains and Role-forming Predicates. Journal of Logic and Computation, 9(3):351–384, 1999.
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Volker Haarslev, Carsten Lutz, and Ralf Möller. Foundations of Spatioterminological Reasoning with Description Logics. In Anthony G. Cohn, L.K. Schubert, and S.C. Shapiro, editors, Principles of Knowledge Representation and Reasoning: Proceedings of the Sixth International Conference (KR'98), pages 112–124. Morgan-Kaufmann Publishers, 1998.
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C. Lutz. Complexity of Terminological Reasoning Revisited. In Proceedings of the 6th International Conference on Logic for Programming and Automated Reasoning LPAR'99, Lecture Notes in Artificial Intelligence, pages 181–200. Springer-Verlag, September 6 – 10, 1999.
Bibtex entry  Paper (PS)  ©Springer-Verlag

C. Lutz. Reasoning with Concrete Domains. In Thomas Dean, editor, Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence IJCAI-99, pages 90–95, Stockholm, Sweden, July 31 – August 6, 1999. Morgan-Kaufmann Publishers.
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C. Lutz, U. Sattler, and S. Tobies. A Proposal for an n-ary Description Logic. In Patrick Lambrix, Alex Borgida, Maurizio Lenzerini, Ralf Möller, and Peter Patel-Schneider, editors, Proceedings of the International Workshop on Description Logics, number 22 in CEUR-WS, pages 81–85, Linkoeping, Sweden, July 30 – August 1 1999. Linköping University. Proceedings online available from http://SunSITE.Informatik.RWTH-Aachen.DE/Publications/CEUR-WS/Vol-22/.
Bibtex entry  Paper (PS)

Carsten Lutz and Ralf Möller. Defined Topological Relations in Description Logics. In Marie-Christine Rousset, Ron Brachman, Francesco Donini, Enrico Franconi, Ian Horrocks, and Alon Levy, editors, Proceedings of the International Workshop on Description Logics, pages 15–19, Gif sur Yvette (Paris), France, 1997. Université Paris-Sud, Centre d'Orsay.
Bibtex entry  Paper (PS)

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