Knowledge-Based Systems

From International Center for Computational Logic
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Knowledge-Based Systems

The research group Knowledge-Based Systems is concerned with methods for the intelligent management and processing of information in computer systems. This includes research questions from knowledge representation, reasoning and formal logic, but also covers topics related to databases and distributed systems. Important application areas of this research can be found in the fields of semantic technologies, artificial intelligence, and knowledge management.

The research group is affiliated with the Institute for Theoretical Computer Science.

Professors and Research Group Leaders

Management

Scientific Staff

Technical Administrators

Student Assistants

Former Members

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Fredo Erxleben.jpg
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Dipl.-Inf. Alexander Krause
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Dr.-Ing. Veronika Thost
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Newest Publications

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Stefan Ellmauthaler, Sarah Alice Gaggl, Dominik Rusovac, Johannes P. Wallner
Representing Abstract Dialectical Frameworks with Binary Decision Diagrams
Proceedings of the 16th International Conference on Logic Programming and Non-monotonic Reasoning (LPNMR 2022), to appear
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Stefan Ellmauthaler, Sarah Alice Gaggl, Dominik Rusovac, Johannes P. Wallner
ADF - BDD : An ADF Solver Based on Binary Decision Diagrams
Proceedings of the 9th International Conference on Computational Models of Argument (COMMA 2022), to appear
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Stefan Ellmauthaler, Markus Krötzsch, Stephan Mennicke
Answering Queries with Negation over Existential Rules
Proceedings of the AAAI Conference on Artificial Intelligence, 36(5), 5626-5633, June 2022
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Alex Ivliev, Larry González, Markus Krötzsch, Stephan Mennicke
Efficient Dependency Analysis for Rule-Based Ontologies
ISWC 2022, to appear
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Piotr Ostropolski-Nalewaja, Jerzy Marcinkowski, David Carral, Sebastian Rudolph
A Journey to the Frontiers of Query Rewritability
In Leonid Libkin, Pablo Barceló, eds., Proc. 41st Symposium on Principles of Database Systems (PODS'22), 359-367, June 2022. ACM
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Jacopo Urbani, Markus Krötzsch, Thomas Eiter
Chasing Streams with Existential Rules
Proceedings of the 19th International Conference on Principles of Knowledge Representation and Reasoning (KR 2022), to appear
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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)
Proceedings of the 35th International Workshop on Description Logics (DL 2022), CEUR Workshop Proceedings, to appear. CEUR-WS.org
Details
Raven Beutner, David Carral, Bernd Finkbeiner, Jana Hofmann, Markus Krötzsch
Deciding Hyperproperties Combined with Functional Specifications
Proceedings of the 37th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS 2022), to appear
Details
Raimund Dachselt, Sarah Alice Gaggl, Markus Krötzsch, Julián Méndez, Dominik Rusovac, Mei Yang
NEXAS: A Visual Tool for Navigating and Exploring Argumentation Solution Spaces
Proceedings of the 9th International Conference on Computational Models of Argument (COMMA 2022), to appear
Details
Sarah Alice Gaggl, Philipp Hanisch, Markus Krötzsch
Simulating Sets in Answer Set Programming
Proceedings of the 31st International Joint Conference on Artificial Intelligence and the 25th European Conference on Artificial Intelligence (IJCAI-ECAI 2022), to appear
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Courses

Student projects


Completed Theses

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cfaed
CENTER FOR ADVANCING ELECTRONICS DRESDEN

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CPEC
Center for Perspicuous Computing

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InnoSale
Innovating Sales and Planning of Complex Industrial Products Exploiting Artificial Intelligence

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SECAI
School of Embedded Composite Artificial Intelligence

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ScaDS.AI
Center for Scalable Data Analytics and Artificial Intelligence

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Semantic MediaWiki
Popular open-source software for collaborative data management

VLog
A fast, highly scalable rule engine for existential rules and Datalog.

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Wikidata
Wikipedia's free, collaborative knowledge base

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Wikidata SPARQL Logs
Access logs from the Wikidata SPARQL Query Service

Adf-bdd
Abstract Dialectical Frameworks solved with Binary Decision Diagrams