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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Adrian Bielefeldt

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Dr. Long Cheng

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Fredo Erxleben

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Julius Gonsior

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Michael Günther

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Dr. Tomáš Masopust

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Dr. Ana Ozaki

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Dr.-Ing. Veronika Thost

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Georg Wild

Newest Publications

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Markus Krötzsch
Computing Cores for Existential Rules with the Standard Chase and ASP
Proceedings of the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR 2020), to appear. IJCAI
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Stephan Mennicke
Non-Standard Semantics for Graph Query Languages
Phd thesis, TU Braunschweig, 2020/03/11
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Till Affeldt, Stephan Mennicke, Wolf-Tilo Balke
Preference-driven Control over Incompleteness of Knowledge Graph Query Answers
Proceedings of the 12th ACM Conference on Web Science, WebSci 2020, Southampton, UK, July 7 - 10, 2020, to appear
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Jan-Christoph Kalo, Stephan Mennicke, Philipp Ehler, Wolf-Tilo Balke
Detecting Synonymous Properties by Shared Data-driven Definitions
The Semantic Web - 17th International Conference, ESWC 2020, Virtual, June 2-4, 2020, Proceedings., to appear
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David Carral, Markus Krötzsch
Rewriting the Description Logic ALCHIQ to Disjunctive Existential Rules
Proceedings of the 29th International Joint Conference on Artificial Intelligence and the 17th Pacific Rim International Conference on Artificial Intelligence (IJCAI-PRICAI 2020), to appear
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David Carral, Jacopo Urbani
Checking Chase Termination over Ontologies of Existential Rules with Equality
Proceedings of the 34rd Conference on Artificial Intelligence (AAAI 2020), February 2020
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David Carral, Markus Krötzsch, Jacopo Urbani
Practical Uses of Existential Rules in Knowledge Representation
This tutorial will be presented at the 17th International Conference on Principles of Knowledge Representation and Reasoning, September 2020
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Stephan Mennicke
Modal Schema Graphs for Graph Databases
Conceptual Modeling - 38th International Conference, ER 2019, Salvador, Brazil, November 4-7, 2019, Proceedings, LNCS, 498-512, November 2019. Springer
Details

Stephan Mennicke, Jan-Christoph Kalo, Denis Nagel, Hermann Kroll, Wolf-Tilo Balke
Fast Dual Simulation Processing of Graph Database Queries
35th IEEE International Conference on Data Engineering, ICDE 2019, Macao, China, April 8-11, 2019, ICDE, 244-255, April 2019. IEEE
Details

Ana Ozaki, Markus Krötzsch, Sebastian Rudolph
Temporally Attributed Description Logics
In Carsten Lutz, Uli Sattler, Cesare Tinelli, Anni-Yasmin Turhan, Frank Wolter, eds., Description Logic, Theory Combination, and All That - Essays Dedicated to Franz Baader on the Occasion of His 60th Birthday, volume 11560 of LNCS, 441-474. Springer, 2019
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Courses


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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DIAMOND
Data Integration and Access by Merging Ontologies and Databases

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HAEC
Highly Adaptive Energy-Efficient Computing (Collaborative Research Centre SFB 912)

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HAEC B08
High-Capacity Knowledge Processing Pipeline (HAEC Project B08)

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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