Dr.-Ing. Stefan Borgwardt

Research Associate Automata Theory

Stefan.Borgwardt@tu-dresden.de
+49 (0) 351 463-39209
+49 (0) 351 463-37959
APB 3023

I am currently working as a researcher in the DFG project BA 1122/17-1 Reasoning in Fuzzy Description Logics with General Concept Inclusion Axioms (FuzzyDL). I am interested in formal properties of logical formalisms, including description logics, fuzzy/weighted logics, and temporal logics.

Newest Publications

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Stefan Borgwardt, Filippo De Bortoli, Patrick Koopmann
The Precise Complexity of Reasoning in ALC with ω-Admissible Concrete Domains
In Laura Giordano, Jean Christoph Jung, Ana Ozaki, eds., Proceedings of the 37th International Workshop on Description Logics (DL'24), volume 3739 of CEUR Workshop Proceedings, June 2024
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Stefan Borgwardt, Jörg Hoffmann, Alisa Kovtunova, Markus Krötzsch, Bernhard Nebel, Marcel Steinmetz
Expressivity of Planning with Horn Description Logic Ontologies (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), volume 3263 of CEUR Workshop Proceedings, 2022. CEUR-WS.org
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Stefan Borgwardt, Jörg Hoffmann, Alisa Kovtunova, Markus Krötzsch, Bernhard Nebel, Marcel Steinmetz
Expressivity of Planning with Horn Description Logic Ontologies
Proceedings of the 36th AAAI Conference on Artificial Intelligence (AAAI 2022), 5503--5511, 2022. AAAI Press
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Franz Baader, Stefan Borgwardt, Patrick Koopmann, Ana Ozaki, Veronika Thost
Metric Temporal Description Logics with Interval-Rigid Names
In Clare Dixon, Marcelo Finger, eds., Proceedings of the 11th International Symposium on Frontiers of Combining Systems (FroCoS'17), volume 10483 of Lecture Notes in Computer Science, 60--76, September 2017. Springer
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Stefan Borgwardt, İsmail İlkan Ceylan, Thomas Lukasiewicz
Ontology-Mediated Queries for Probabilistic Databases
In Satinder Singh, Shaul Markovitch, eds., Proceedings of the 31st AAAI Conference on Artificial Intelligence (AAAI 2017), 1063–1069, 2017. AAAI Press
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İsmail İlkan Ceylan, Stefan Borgwardt, Thomas Lukasiewicz
Most Probable Explanations for Probabilistic Database Queries
In Carles Sierra, eds., Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI 2017), to appear
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Franz Baader, Stefan Borgwardt, Marcel Lippmann
Query Rewriting for DL-Lite with n-ary Concrete Domains
In Carles Sierra, eds., Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI'17), to appear
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Franz Baader, Stefan Borgwardt, Rafael Peñaloza
Decidability and Complexity of Fuzzy Description Logics
Künstliche Intelligenz, 31(1):85–90, 2017
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Stefan Borgwardt, Rafael Peñaloza
Algorithms for Reasoning in Very Expressive Description Logics under Infinitely Valued Gödel Semantics
International Journal of Approximate Reasoning, 83:60–101, 2017
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Franz Baader, Nguyen Thanh Binh, Stefan Borgwardt, Barbara Morawska
Deciding Unifiability and Computing Local Unifiers in the Description Logic EL without Top Constructor
Notre Dame Journal of Formal Logic, 57(4):443–476, 2016
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