Publications of Markus Krötzsch
From International Center for Computational Logic
Publications of Markus Krötzsch
Journal Articles
Philipp Hanisch, Markus Krötzsch
Chase Termination Beyond Polynomial Time
Proc. ACM Manag. Data, 2(2):93, May 2024
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Markus Krötzsch
Wissen als Code: Die Welt der Wissensgraphen und Ontologien
Linux-Magazin (12/2022):24-28, 2022
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Tomáš Masopust, Markus Krötzsch
Partially Ordered Automata and Piecewise Testability
Logical Methods in Computer Science, 17(2), 2021
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David Carral, Irina Dragoste, Markus Krötzsch
Reasoner = Logical Calculus + Rule Engine
KI, 2020
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Markus Krötzsch, Tomáš Masopust, Michaël Thomazo
Complexity of Universality and Related Problems for Partially Ordered NFAs
Information and Computation, 255(1):177-192, August 2017
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Ignacio Lamata Martínez, Martin S Williams, Shirley Dyke, Markus Krötzsch, Pierre Pegon
Next directions in experimental data for seismic hazard mitigation
Engineering Structures, 136:535-546, 2017
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Markus Krötzsch, Sebastian Rudolph
Is Your Database System a Semantic Web Reasoner?
KI, 30(2):169-176, 2016
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Markus Krötzsch, Sebastian Rudolph, Peter H. Schmitt
A Closer Look at the Semantic Relationship between Datalog and Description Logics
Semantic Web Journal, 6(1):63-79, 2015
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Yevgeny Kazakov, Markus Krötzsch, František Simančík
The Incredible ELK: From Polynomial Procedures to Efficient Reasoning with ℰℒ Ontologies
J. Autom. Reasoning, 53(1):1-61, 2014
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Markus Krötzsch, František Simančík, Ian Horrocks
Description Logics
IEEE Intelligent Systems, 29(1):12-19, 2014
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Despoina Magka, Markus Krötzsch, Ian Horrocks
A rule-based ontological framework for the classification of molecules
J. Biomedical Semantics, 5:17, 2014
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Giorgo Stefanoni, Boris Motik, Markus Krötzsch, Sebastian Rudolph
The Complexity of Answering Conjunctive and Navigational Queries over OWL 2 EL Knowledge Bases
Journal of Artificial Intelligence Research, 51:645-705, December 2014
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Denny Vrandečić, Markus Krötzsch
Wikidata: a free collaborative knowledgebase
Commun. ACM, 57(10):78-85, 2014
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Bernardo Cuenca Grau, Ian Horrocks, Markus Krötzsch, Clemens Kupke, Despoina Magka, Boris Motik, Zhe Wang
Acyclicity Notions for Existential Rules and Their Application to Query Answering in Ontologies
J. Artif. Intell. Res. (JAIR), 47:741-808, 2013
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
Complexities of Horn Description Logics
ACM Trans. Comput. Log., 14(1):2, 2013
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Emanuele Della Valle, Stefan Schlobach, Markus Krötzsch, Alessandro Bozzon, Stefano Ceri, Ian Horrocks
Order matters! Harnessing a world of orderings for reasoning over massive data
Semantic Web, 4(2):219-231, 2013
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Type-elimination-based Reasoning for the Description Logic SHIQbs using Decision Diagrams and Disjunctive Datalog
Logical Methods in Computer Science, 8(1), 2012
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Denny Vrandečić, Varun Ratnakar, Markus Krötzsch, Yolanda Gil
Shortipedia: Aggregating and Curating Semantic Web Data
J. Web Sem., 9(3):334-338, 2011
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Denny Vrandečić, Markus Krötzsch, Sebastian Rudolph, Uta Lösch
Leveraging Non-Lexical Knowledge for the Linked Open Data Web
The Fifth RAFT'2010 The yearly bilingual publication on nonchalant research, 5(1):18-27, April 2010
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Anupriya Ankolekar, Markus Krötzsch, Duc Thanh Tran, Denny Vrandečić
The two cultures: mashing up Web 2.0 and the Semantic Web
Journal of Web Semantics, 6(1), February 2008
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Markus Krötzsch, Denny Vrandečić, Max Völkel, Heiko Haller, Rudi Studer
Semantic Wikipedia
Journal of Web Semantics, 5:251--261, September 2007
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Pascal Hitzler, Markus Krötzsch, Guo-Qiang Zhang
A categorical view on algebraic lattices in formal concept analysis
Fundamenta Informaticae, 74(2-3):301-328, July 2006
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Markus Krötzsch
Generalized Ultrametric Spaces in Quantitative Domain Theory
Theoretical Computer Science, 368(1--2):30--49, December 2006
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Proceedings Articles
Lukas Gerlach, Alex Ivliev, Julián Méndez, Simon Meusel, Raimund Dachselt, Markus Krötzsch
EvonNemo - A Symbiosis of Datalog Tracing and Proof Tree Visualization
The Fifth Workshop on Explainable Logic-Based Knowledge Representation (XLoKR 2024), November 2024
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Alex Ivliev, Lukas Gerlach, Simon Meusel, Jakob Steinberg, Markus Krötzsch
Nemo: Your Friendly and Versatile Rule Reasoning Toolkit
In Pierre Marquis,Magdalena Ortiz,Maurice Pagnucco, eds., Proceedings of the 21st International Conference on Principles of Knowledge Representation and Reasoning (KR 2024), Proceedings of the International Conference on Principles of Knowledge Representation and Reasoning, 743-754, November 2024. IJCAI Organization
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Alex Ivliev, Lukas Gerlach, Simon Meusel, Jakob Steinberg, Markus Krötzsch
Nemo: A Scalable and Versatile Datalog Engine
In Mario Alviano, Matthias Lanzinger, eds., Proceedings of the 5th International Workshop on the Resurgence of Datalog in Academia and Industry (Datalog-2.0 2024), volume 3801 of CEUR Workshop Proceedings, 43-47, November 2024. CEUR-WS.org
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Nils Küchenmeister, Alex Ivliev, Markus Krötzsch
Towards Mass Spectrum Analysis with ASP
In Carmine Dodaro, Gopal Gupta, Maria Vanina Martinez, eds., Logic Programming and Nonmonotonic Reasoning, volume 15245 of Lecture Notes in Computer Science, 200-214, October 2024. Springer, Cham
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Larry González, Alex Ivliev, Stephan Mennicke, Markus Krötzsch
Efficient Dependency Analysis for Existential Rules
In Benny Kimelfeld, Maria Vanina Martinez, Renzo Angles, eds., Proceedings of the 15th Alberto Meldenzon International Workshop on Foundations of Data Management (AMW'23). Santiago, Chile, volume 3409 of CEUR Workshop Proceedings, 2023. CEUR-WS.org
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Alex Ivliev, Stefan Ellmauthaler, Lukas Gerlach, Maximilian Marx, Matthias Meißner, Simon Meusel, Markus Krötzsch
Nemo: First Glimpse of a New Rule Engine
In Enrico Pontelli, Stefania Costantini, Carmine Dodaro, Sarah Gaggl, Roberta Calegari, Artur D'Avila Garcez, Francesco Fabiano, Alessandra Mileo, Alessandra Russo, Francesca Toni, eds., Proceedings 39th International Conference on Logic Programming (ICLP 2023), volume 385 of EPTCS, 333--335, September 2023
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Denny Vrandečić, Lydia Pintscher, Markus Krötzsch
Wikidata: The Making Of
In Ying Ding, Jie Tang, Juan F. Sequeda, Lora Aroyo,Carlos Castillo, Geert-Jan Houben, eds., Companion Proceedings of the ACM Web Conference 2023 (WWW'23), 615--624, 2023. ACM
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Raven Beutner, David Carral, Bernd Finkbeiner, Jana Hofmann, Markus Krötzsch
Deciding Hyperproperties Combined with Functional Specifications
In Christel Baier and Dana Fisman, eds., Proceedings of the 37th Annual ACM/IEEE Symposium on Logic in Computer Science (LICS 2022), 56:1--56:13, 2022. ACM
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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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Martin Bromberger, Irina Dragoste, Rasha Faqeh, Christof Fetzer, Larry González, Markus Krötzsch, Maximilian Marx, Harish K Murali, Christoph Weidenbach
A Sorted Datalog Hammer for Supervisor Verification Conditions Modulo Simple Linear Arithmetic
In Dana Fisman, Grigore Rosu, eds., Proc. of the 28th Int. Conf. on Tools and Algorithms for the Construction and Analysis of Systems (TACAS 2022), volume 13243 of LNCS, 480-501, 2022. Springer
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Raimund Dachselt, Sarah Alice Gaggl, Markus Krötzsch, Julián Méndez, Dominik Rusovac, Mei Yang
NEXAS: A Visual Tool for Navigating and Exploring Argumentation Solution Spaces
In Francesca Toni, eds., Proceedings of the 9th International Conference on Computational Models of Argument (COMMA 2022), volume 220146 of FAIA, 116-127, September 2022. IOS Press
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Ali Elhalawati, Markus Krötzsch, Stephan Mennicke
An Existential Rule Framework for Computing Why-Provenance On-Demand for Datalog
In Guido Governatori, Anni-Yasmin Turhan, eds., Proceedings of the 6th International Joint Conference on Rules and Reasoning (RuleML+RR 2022), volume 13752 of LNCS, 146--163, 2022. Springer
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Stefan Ellmauthaler, Markus Krötzsch, Stephan Mennicke
Answering Queries with Negation over Existential Rules
Proceedings of the 36th AAAI Conference on Artificial Intelligence (AAAI 2022), 5626-5633, 2022. AAAI Press
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Sarah Alice Gaggl, Philipp Hanisch, Markus Krötzsch
Simulating Sets in Answer Set Programming
In Luc De Raedt, eds., Proceedings of the 31st International Joint Conference on Artificial Intelligence (IJCAI 2022), 2634--2640, 2022. ijcai.org
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Larry González, Alex Ivliev, Markus Krötzsch, Stephan Mennicke
Efficient Dependency Analysis for Rule-Based Ontologies
In Ulrike Sattler, Aidan Hogan, Maria Keet, Valentina Presutti, João Paulo A. Almeida, Hideaki Takeda, Pierre Monnin, Giuseppe Pirrò, Claudia d’Amato, eds., Proc. 21st International Semantic Web Conference (ISWC 2022), volume 13489 of LNCS, 267-283, October 2022. Springer
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Maximilian Marx, Markus Krötzsch
Tuple-Generating Dependencies Capture Complex Values (extended abstract)
In Mario Alviano, Andreas Pieris, eds., Proceedings of the 4th International Workshop on the Resurgence of Datalog in Academia and Industry, volume 3203 of CEUR Workshop Proceedings, 97--103, September 2022. CEUR-WS.org
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Maximilian Marx, Markus Krötzsch
Tuple-Generating Dependencies Capture Complex Values
In Dan Olteanu, Nils Vortmeier, eds., Proceedings of the 25th International Conference on Database Theory (ICDT 2022), volume 220 of LIPIcs, 13:1--13:20, March 2022. Schloss Dagstuhl - Leibniz-Zentrum für Informatik
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Jacopo Urbani, Markus Krötzsch, Thomas Eiter
Chasing Streams with Existential Rules
In Gabriele Kern-Isberner, Gerhard Lakemeyer, Thomas Meyer, eds., Proceedings of the 19th International Conference on Principles of Knowledge Representation and Reasoning (KR 2022), 2022
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Camille Bourgaux, David Carral, Markus Krötzsch, Sebastian Rudolph, Michaël Thomazo
Capturing Homomorphism-Closed Decidable Queries with Existential Rules
In Meghyn Bienvenu, Gerhard Lakemeyer, Esra Erdem, eds., Proc. 18th International Conference on Principles of Knowledge Representation and Reasoning (KR'21), 141--150, 2021
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Martin Bromberger, Irina Dragoste, Rasha Faqeh, Christof Fetzer, Markus Krötzsch, Christoph Weidenbach
A Datalog Hammer for Supervisor Verification Conditions Modulo Simple Linear Arithmetic
In Boris Konev, Giles Reger, eds., Proc. of the 13th Int. Symp. on Frontiers of Combining Systems (FROCOS 2021), volume 12941 of LNCS, 3-24, 2021. Springer
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David Carral, Markus Krötzsch
Rewriting the Description Logic ALCHIQ to Disjunctive Existential Rules
In Christian Bessiere, eds., Proceedings of the 29th International Joint Conference on Artificial Intelligence, IJCAI 2020, 1777-1783, 2020. ijcai.org
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Markus Krötzsch
Computing Cores for Existential Rules with the Standard Chase and ASP
In Diego Calvanese, Esra Erdem, Michael Thielscher, eds., Proceedings of the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR 2020), 603-613, 2020. IJCAI
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David Carral, Irina Dragoste, Larry González, Ceriel Jacobs, Markus Krötzsch, Jacopo Urbani
VLog: A Rule Engine for Knowledge Graphs
In Chiara Ghidini, Olaf Hartig, Maria Maleshkova, Vojtěch Svátek, Isabel F. Cruz, Aidan Hogan, Jie Song, Maxime Lefrançois, Fabien Gandon, eds., Proceedings of the 18th International Semantic Web Conference (ISWC'19) Part II, volume 11779 of LNCS, 2019. Springer
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David Carral, Irina Dragoste, Markus Krötzsch, Christian Lewe
Chasing Sets: How to Use Existential Rules for Expressive Reasoning
Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI'19), August 2019. International Joint Conferences on Artificial Intelligence
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David Carral, Irina Dragoste, Markus Krötzsch
The Combined Approach to Query Answering in Horn-ALCHOIQ (Extended Abstract)
In Mantas Simkus, Grant E. Weddell, eds., Proceedings of the 32nd International Workshop on Description Logics, volume 2373 of CEUR Workshop Proceedings, 2019. CEUR-WS.org
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David Carral, Irina Dragoste, Markus Krötzsch
Chasing Sets: How to Use Existential Rules for Expressive Reasoning (Extended Abstract)
In Mantas Simkus, Grant E. Weddell, eds., Proceedings of the 32nd International Workshop on Description Logics, volume 2373 of CEUR Workshop Proceedings, June 2019. CEUR-WS.org
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Markus Krötzsch, Maximilian Marx, Sebastian Rudolph
The Power of the Terminating Chase
In Pablo Barceló, Marco Calautti, eds., Proceedings of the 22nd International Conference on Database Theory (ICDT 2019), volume 127 of LIPIcs, 3:1--3:17, 2019. Schloss Dagstuhl - Leibniz-Zentrum für Informatik
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Markus Krötzsch
Too Much Information: Can AI Cope With Modern Knowledge Graphs?
In Diana Cristea, Florence Le Ber, Baris Sertkaya, eds., Proceedings of the 15th International Conference on Formal Concept Analysis (ICFCA 2019), volume 11511 of LNCS, 17--31, 2019. Springer
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Adrian Bielefeldt, Julius Gonsior, Markus Krötzsch
Practical Linked Data Access via SPARQL: The Case of Wikidata
In Tim Berners-Lee, Sarven Capadisli, Stefan Dietze, Aidan Hogan, Krzysztof Janowicz, Jens Lehmann, eds., Proceedings of the WWW2018 Workshop on Linked Data on the Web (LDOW-18), volume 2073 of CEUR Workshop Proceedings, 2018. CEUR-WS.org
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David Carral, Irina Dragoste, Markus Krötzsch
The Combined Approach to Query Answering in Horn-ALCHOIQ
In Michael Thielscher, Francesca Toni, Frank Wolter, eds., Proceedings of the 16th International Conference on Principles of Knowledge Representation and Reasoning (KR 2018), 339-348, October 2018. AAAI Press
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David Carral, Markus Krötzsch, Maximilian Marx, Ana Ozaki, Sebastian Rudolph
Preserving Constraints with the Stable Chase
In Benny Kimelfeld and Yael Amsterdamer, eds., Proceedings of the 21st International Conference on Database Theory (ICDT 2018), volume 98 of Leibniz International Proceedings in Informatics (LIPIcs), 12:1--12:19, March 2018. Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik
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David Carral, Irina Dragoste, Markus Krötzsch
Tractable Query Answering for Expressive Ontologies and Existential Rules: Extended Abstract
Proceedings of the 31st International Workshop on Description Logics (DL 2018), October 2018
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Markus Krötzsch, Maximilian Marx, Ana Ozaki, Veronika Thost
Attributed Description Logics: Reasoning on Knowledge Graphs
In Jérôme Lang, eds., Proceedings of the 27th International Joint Conference on Artificial Intelligence (IJCAI'18), 5309--5313, July 2018. International Joint Conferences on Artificial Intelligence
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Stanislav Malyshev, Markus Krötzsch, Larry González, Julius Gonsior, Adrian Bielefeldt
Getting the Most out of Wikidata: Semantic Technology Usage in Wikipedia’s Knowledge Graph
In Denny Vrandečić, Kalina Bontcheva, Mari Carmen Suárez-Figueroa, Valentina Presutti, Irene Celino, Marta Sabou, Lucie-Aimée Kaffee, Elena Simperl, eds., Proceedings of the 17th International Semantic Web Conference (ISWC'18), volume 11137 of LNCS, 376-394, 2018. Springer
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Tomáš Masopust, Markus Krötzsch
Deciding Universality of ptNFAs is PSpace-Complete
In A Min Tjoa, Ladjel Bellatreche, Stefan Biffl, Jan van Leeuwen, Jiri Wiedermann, eds., Proceedings of the 44th International Conference on Current Trends in Theory and Practice of Computer Science (SOFSEM 2018), volume 10706 of LNCS, 413-427, 2018. Springer
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Ana Ozaki, Markus Krötzsch, Sebastian Rudolph
Happy Ever After: Temporally Attributed Description Logics
In Magdalena Ortiz, Thomas Schneider, eds., Proceedings of the 31st International Workshop on Description Logics (DL 2018), volume 2211 of CEUR Workshop Proceedings, 2018. CEUR-WS.org
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Jacopo Urbani, Markus Krötzsch, Ceriel Jacobs, Irina Dragoste, David Carral
Efficient Model Construction for Horn Logic with VLog: Extended Abstract
In Magdalena Ortiz, Thomas Schneider, eds., Proceedings of the 31st International Workshop on Description Logics (DL 2018), volume 2211 of CEUR Workshop Proceedings, October 2018. CEUR-WS.org
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Jacopo Urbani, Markus Krötzsch, Ceriel Jacobs, Irina Dragoste, David Carral
Efficient Model Construction for Horn Logic with VLog
In Didier Galmiche, Stephan Schulz, Roberto Sebastiani, eds., Proceedings of the 8th International Joint Conference on Automated Reasoning (IJCAR 2018), volume 10900 of LNCS, 680--688, 2018. Springer
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David Carral, Irina Dragoste, Markus Krötzsch
Answering Conjunctive Queries for Expressive DLs with the Restricted Chase: Extended Abstract
In Alessandro Artale, Birte Glimm, Roman Kontchakov, eds., Proceedings of the 30st International Workshop on Description Logics (DL 2017), volume 1879 of CEUR Workshop Proceedings, July 2017. CEUR-WS.org
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David Carral, Irina Dragoste, Markus Krötzsch
Tractable Query Answering for Expressive Ontologies and Existential Rules
In Claudia d'Amato, Miriam Fernández, Valentina A. M. Tamma, Freddy Lécué, Philippe Cudré-Mauroux, Juan F. Sequeda, Christoph Lange, Jeff Heflin, eds., Proceedings of the 16th International Semantic Web Conference (ISWC'17), volume 10587 of LNCS, 2017. Springer
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David Carral, Irina Dragoste, Markus Krötzsch
Restricted chase (non)termination for existential rules with disjunctions
In Carles Sierra, eds., Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI'17), 922-928, 2017. International Joint Conferences on Artificial Intelligence
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Markus Krötzsch, Maximilian Marx, Ana Ozaki, Veronika Thost
Reasoning with Attributed Description Logics
In Alessandro Artale, Birte Glimm, Roman Kontchakov, eds., Proceedings of the 30th International Workshop on Description Logics (DL 2017), volume 1879 of CEUR Workshop Proceedings, July 2017. CEUR-WS.org
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Markus Krötzsch, Maximilian Marx, Ana Ozaki, Veronika Thost
Attributed Description Logics: Ontologies for Knowledge Graphs
In Claudia d'Amato, Miriam Fernández, Valentina A. M. Tamma, Freddy Lécué, Philippe Cudré-Mauroux, Juan F. Sequeda, Christoph Lange, Jeff Heflin, eds., Proceedings of the 16th International Semantic Web Conference (ISWC'17), volume 10587 of LNCS, 418--435, October 2017. Springer
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Markus Krötzsch
Ontologies for Knowledge Graphs?
In Alessandro Artale, Birte Glimm, Roman Kontchakov, eds., Proceedings of the 30th International Workshop on Description Logics (DL 2017), volume 1879 of CEUR Workshop Proceedings, July 2017. CEUR-WS.org
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Maximilian Marx, Markus Krötzsch
SQID: Towards Ontological Reasoning for Wikidata
In Nadeschda Nikitina, Dezhao Song, eds., Proceedings of the ISWC 2017 Posters & Demonstrations Track, CEUR Workshop Proceedings, October 2017. CEUR-WS.org
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Maximilian Marx, Markus Krötzsch, Veronika Thost
Logic on MARS: Ontologies for generalised property graphs
In Carles Sierra, eds., Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI'17), 1188-1194, August 2017. International Joint Conferences on Artificial Intelligence
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Markus Krötzsch, Tomáš Masopust, Michaël Thomazo
On the Complexity of Universality for Partially Ordered NFAs
In Piotr Faliszewski, Anca Muscholl, Rolf Niedermeier, eds., Proceedings of the 41st International Symposium on Mathematical Foundations of Computer Science (MFCS 2016), volume 58 of Leibniz International Proceedings in Informatics, 61:1--61:14, 2016. Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik
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Markus Krötzsch, Veronika Thost
Ontologies for Knowledge Graphs: Breaking the Rules
In Yolanda Gil, Elena Simperl, Paul Groth, Freddy Lecue, Markus Krötzsch, Alasdair Gray, Marta Sabou, Fabian Flöck, Hideaki Takeda, eds., Proceedings of the 15th International Semantic Web Conference (ISWC 2016), volume 9981 of LNCS, 376-392, 2016. Springer
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Jacopo Urbani, Ceriel Jacobs, Markus Krötzsch
Column-Oriented Datalog Materialization for Large Knowledge Graphs
In Dale Schuurmans, Michael P. Wellman, eds., Proceedings of the 30th AAAI Conference on Artificial Intelligence, 258-264, 2016. AAAI Press
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Jacopo Urbani, Ceriel Jacobs, Markus Krötzsch
VLog: A Column-Oriented Datalog System for Large Knowledge Graphs
In Takahiro Kawamura, Heiko Paulheim, eds., Proceedings of the 15th International Semantic Web Conf. (ISWC'16), Posters and Demos, volume 1690 of CEUR Workshop Proceedings, 2016. CEUR-WS.org
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Stefan Bischof, Markus Krötzsch, Axel Polleres, Sebastian Rudolph
Schema-Agnostic Query Rewriting for OWL QL
In Diego Calvanese, Boris Konev, eds., Proceedings of the 28th International Workshop on Description Logics, volume 1350 of CEUR Workshop Proceedings, 2015. CEUR-WS.org
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Pierre Bourhis, Markus Krötzsch, Sebastian Rudolph
Reasonable Highly Expressive Query Languages
In Qiang Yang, Michael Wooldridge, eds., Proc. 24th International Joint Conference on Artificial Intelligence (IJCAI'15), 2826-2832, 2015. AAAI Press
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Daniel Hernández, Aidan Hogan, Markus Krötzsch
Reifying RDF: What Works Well With Wikidata?
In Thorsten Liebig and Achille Fokoue, eds., Proceedings of the 11th International Workshop on Scalable Semantic Web Knowledge Base Systems, volume 1457 of CEUR Workshop Proceedings, 32-47, 2015. CEUR-WS.org
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Stefan Bischof, Markus Krötzsch, Axel Polleres, Sebastian Rudolph
Schema-Agnostic Query Rewriting in SPARQL 1.1
In Peter Mika, Tania Tudorache, Abraham Bernstein, Chris Welty, Craig A. Knoblock, Denny Vrandečić, Paul T. Groth, Natasha F. Noy, Krzysztof Janowicz, Carole A. Goble, eds., Proc. 13th International Semantic Web Conference (ISWC'14), volume 8796 of LNCS, 584-600, October 2014. Springer
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Pierre Bourhis, Markus Krötzsch, Sebastian Rudolph
How to Best Nest Regular Path Queries
Proc. 27th International Workshop on Description Logics (DL'14), volume 1193 of CEUR Workshop Proceedings, 404-415, July 2014. CEUR-WS.org
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Fredo Erxleben, Michael Günther, Markus Krötzsch, Julian Mendez, Denny Vrandečić
Introducing Wikidata to the Linked Data Web
In Peter Mika, Tania Tudorache, Abraham Bernstein, Chris Welty, Craig A. Knoblock, Denny Vrandečić, Paul T. Groth, Natasha F. Noy, Krzysztof Janowicz, Carole A. Goble, eds., Proceedings of the 13th International Semantic Web Conference (ISWC 2014), volume 8796 of LNCS, 50-65, October 2014. Springer
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Markus Krötzsch, Sebastian Rudolph
Complexities of Nominal Schemas
Proc. 27th International Workshop on Description Logics (DL'14), 270-273, July 2014. CEUR Workshop Proceedings
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Markus Krötzsch, Sebastian Rudolph
Nominal Schemas in Description Logics: Complexities Clarified
In Chitta Baral, Giuseppe De Giacomo, Thomas Eiter, eds., Proc. 14th International Conference on Principles of Knowledge Representation and Reasoning (KR'14), 308-317, July 2014. AAAI Press
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Markus Krötzsch
P ≠ P: Why Some Reasoning Problems Are More Tractable Than Others
Proc. 8th International Conference on Web Reasoning and Rule Systems (RR'14), volume 8741 of LNCS, 1-22, September 2014. Springer
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Markus Krötzsch, Despoina Magka, Ian Horrocks
Concrete Results on Abstract Rules
Proc. 12th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR'13), 414-426, September 2013. Springer
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Despoina Magka, Markus Krötzsch, Ian Horrocks
Nonmonotonic Existential Rules for Non-Tree-Shaped Ontological Modelling
Proc. 26th International Workshop on Description Logics (DL'13), 390-402, July 2013. CEUR Workshop Proceedings
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Despoina Magka, Markus Krötzsch, Ian Horrocks
Computing Stable Models for Nonmonotonic Existential Rules
Proc. 23rd International Joint Conference on Artificial Intelligence (IJCAI'13), 1031-1038, August 2013. AAAI Press
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Sebastian Rudolph, Markus Krötzsch
Flag & Check: Data Access with Monadically Defined Queries
Proc. 32nd Symposium on Principles of Database Systems (PODS'13), 151-162, June 2013. ACM
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Birte Glimm, Aidan Hogan, Markus Krötzsch, Axel Polleres
OWL: Yet to arrive on the Web of Data?
Proceedings of the WWW2012 Workshop on Linked Data on the Web (LDOW-12), volume 937 of CEUR Workshop Proceedings, 2012. CEUR-WS.org
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Bernardo Cuenca Grau, Ian Horrocks, Markus Krötzsch, Clemens Kupke, Despoina Magka, Boris Motik, Zhe Wang
Acyclicity Conditions and their Application to Query Answering in Description Logics
Proc. 13th International Conference on Principles of Knowledge Representation and Reasoning (KR'12), 243–253, June 2012. AAAI Press
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Yevgeny Kazakov, Markus Krötzsch, František Simančík
Practical Reasoning with Nominals in the EL Family of Description Logics
Proc. 13th International Conference on Principles of Knowledge Representation and Reasoning (KR'12), 264–274, June 2012. AAAI Press
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Yevgeny Kazakov, Markus Krötzsch, František Simančík
ELK Reasoner: Architecture and Evaluation
Proc. of the OWL Reasoner Evaluation Workshop 2012, July 2012. CEUR Workshop Proceedings
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Markus Krötzsch
OWL 2 Profiles: An Introduction to Lightweight Ontology Languages
Reasoning Web Summer School 2012, 112-183, September 2012. Springer
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Markus Krötzsch
The Not-So-Easy Task of Computing Class Subsumptions in OWL RL
Proc. 11th International Semantic Web Conference (ISWC'11), 279-294, 2012. Springer
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Yevgeny Kazakov, Markus Krötzsch, František Simančík
Unchain My EL Reasoner
Proc. 24th International Workshop on Description Logics (DL'11), July 2011. CEUR Workshop Proceedings
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Yevgeny Kazakov, Markus Krötzsch, František Simančík
Concurrent Classification of EL Ontologies
In Lora Aroyo, Chris Welty, Harith Alani, Jamie Taylor, Abraham Bernstein, Lalana Kagal, Natasha Noy, Eva Blomqvist, eds., Proc. 10th International Semantic Web Conference (ISWC'11), volume 7032 of LNCS, 305-320, October 2011. Springer
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Markus Krötzsch, Sebastian Rudolph
Extending Decidable Existential Rules by Joining Acyclicity and Guardedness
In Toby Walsh, eds., Proceedings of the 22nd International Joint Conference on Artificial Intelligence (IJCAI 2011), 963-968, July 2011. IJCAI/AAAI
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Markus Krötzsch, Frederick Maier, Adila Krisnadhi, Pascal Hitzler
A Better Uncle for OWL: Nominal Schemas for Integrating Rules and Ontologies
Proc. 20th International Conference on World Wide Web (WWW'11), 645-654, March 2011. ACM
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Markus Krötzsch, Frederick Maier, Adila Alfa Krisnadhi, Pascal Hitzler
Nominal Schemas for Integrating Rules and Description Logics
In Riccardo Rosati, Sebastian Rudolph, Michael Zakharyaschev, eds., Proc. 24th International Workshop on Description Logics (DL'11), volume 745 of CEUR Workshop Proceedings, July 2011. CEUR-WS.org
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Markus Krötzsch
Efficient Rule-Based Inferencing for OWL EL
Proc. 22nd International Joint Conference on Artificial Intelligence (IJCAI'11), 2668-2673, July 2011. AAAI Press
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Markus Krötzsch, Sebastian Speiser
ShareAlike Your Data: Self-referential Usage Policies for the Semantic Web
Proc. 10th International Semantic Web Conference (ISWC'11), 354-369, October 2011. Springer
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František Simančík, Boris Motik, Markus Krötzsch
Fixed Parameter Tractable Reasoning in DLs via Decomposition
In Riccardo Rosati, Sebastian Rudolph, Michael Zakharyaschev, eds., Proc. 24th International Workshop on Description Logics (DL'11), volume 745 of CEUR Workshop Proceedings, 400-410, July 2011. CEUR-WS.org
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Birte Glimm, Markus Krötzsch
SPARQL Beyond Subgraph Matching
In Peter F. Patel-Schneider, Yue Pan, Birte Glimm, Pascal Hitzler, Peter Mika, Jeff Pan, Ian Horrocks, eds., Proceedings of the 9th International Semantic Web Conference (ISWC 2010), volume 6496 of LNCS, 241-256, 2010. Springer
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Markus Krötzsch, Anees ul Mehdi, Sebastian Rudolph
Orel: Database-Driven Reasoning for OWL 2 Profiles
Proceedings of the 23nd International Workshop on Description Logics (DL 2010), volume 573 of CEUR Workshop Proceedings, May 2010. CEUR-WS.org
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Markus Krötzsch
Efficient Inferencing for OWL EL
In Tomi Janhunen, Ilkka Niemelä, eds., Proceedings of the 12th European Conference on Logics in Artificial Intelligence (JELIA'10), volume 6341 of LNAI, 234-246, 2010. Springer
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Markus Krötzsch, Sebastian Rudolph, Peter H. Schmitt
On the Semantic Relationship between Datalog and Description Logics
In Pascal Hitzler, Thomas Lukasiewicz, eds., Proceedings of the 4th International Conference on Web Reasoning and Rule Systems (RR 2010), volume 6333 of LNCS, 88-102, September 2010. Springer
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Markus Krötzsch, Sebastian Rudolph
A Matter of Principles: Towards the Largest DLP Possible
Proceedings of the 22nd International Workshop on Description Logics (DL2009), volume 477 of CEUR Workshop Proceedings, July 2009. CEUR-WS.org
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Sebastian Blohm, Markus Krötzsch, Philipp Cimiano
The Fast and the Numerous - Combining Machine and Community Intelligence
In Razvan Bunescu, Evgeniy Gabrilovich, Rada Mihalcea, eds., Proceedings of the AAAI 2008 Workshop on Wikipedia and Artifical Intelligence (WIKIAI 2008), volume Technical Report WS-08-15, July 2008. AAAI Press
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Pascal Hitzler, Markus Krötzsch, Sebastian Rudolph, Tuvshintur Tserendorj
Approximate OWL Instance Retrieval with Screech
In A.G. Cohn, D.C. Hogg, R. Möller, B. Neumann, eds., Logic and Probability for Scene Interpretation, volume 08091 of Dagstuhl Seminar Proceedings, February 2008. Dagstuhl
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
Description Logic Rules
In Malik Ghallab and Constantine D. Spyropoulos and Nikos Fakotakis and Nikos Avouris, eds., Proceedings of the 18th European Conference on Artificial Intelligence (ECAI-08), volume 178 of Frontiers in Artificial Intelligence and Applications (FAIA), 80--84, July 2008. IOS Press
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
ELP: Tractable Rules for OWL 2
In Amit Sheth and Steffen Staab and Mike Dean and Massimo Paolucci and Diana Maynard and Timothy Finin and Krishnaprasad Thirunarayan, eds., Proceedings of the 7th International Semantic Web Conference (ISWC 2008), volume 5318 of LNCS, 649-664, October 2008. Springer
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Cheap Boolean Role Constructors for Description Logics
In Steffen Hölldobler, Carsten Lutz, Heinrich Wansing, eds., Proceedings of 11th European Conference on Logics in Artificial Intelligence (JELIA), volume 5293 of LNAI, 362-374, 2008. Springer
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Description Logic Reasoning with Decision Diagrams: Compiling SHIQ to Disjunctive Datalog
In Amit Sheth, Steffen Staab, Mike Dean, Massimo Paolucci, Diana Maynard, Timothy Finin, Krishnaprasad Thirunarayan, eds., Proceedings of the International Semantic Web Conference (ISWC 2008), volume 5318 of LNCS, 435-450, 2008. Springer
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Terminological Reasoning in SHIQ with Ordered Binary Decision Diagrams
In Dieter Fox, Carla P. Gomes, eds., Proceedings of the 23rd AAAI Conference on Artficial Intelligence (AAAI-08), 529-534, 2008. AAAI Press
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
All Elephants are Bigger than All Mice
In Franz Baader, Carsten Lutz, Boris Motik, eds., Proceedings of the 21st International Workshop on Description Logics (DL2008), volume 353 of CEUR Workshop Proceedings, May 2008. CEUR-WS.org
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Tuvshintur Tserendorj, Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Approximate OWL-Reasoning with Screech
In Diego Calvanese and Georg Lausen, eds., Web Reasoning and Rule Systems, Second International Conference, RR 2008, Karlsruhe, Germany, October 31-November 1, 2008. Proceedings, volume 5341 of LNCS, 165-180, October 2008. Springer
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Anupriya Ankolekar, Markus Krötzsch, Duc Thanh Tran, Denny Vrandečić
The Two Cultures: Mashing up Web 2.0 and the Semantic Web
Proceedings of the 16th International Conference on the World Wide Web (WWW'07), May 2007
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
Complexity Boundaries for Horn Description Logics
Proceedings of the 22nd AAAI Conference on Artficial Intelligence, 452--457, 2007. AAAI Press
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
Conjunctive Queries for a Tractable Fragment of OWL 1.1
In Karl Aberer and Key-Sun Choi and Natasha Noy and Dean Allemang and Kyung-Il Lee and Lyndon Nixon and Jennifer Golbeck and Peter Mika and Diana Maynard and Riichiro Mizoguchi and Guus Schreiber and Philippe Cudré-Mauroux, eds., Proceedings of the 6th International Semantic Web Conference (ISWC 2007), volume 4825 of LNCS, 310--323, November 2007. Springer
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Markus Krötzsch, Sebastian Schaffert, Denny Vrandečić
Reasoning in Semantic Wikis
In Grigoris Antoniou and Uwe Aßmann and Cristina Baroglio and Stefan Decker and Nicola Henze and Paula-Lavinia Patranjan and Robert Tolksdorf, eds., Proceedings of the 3rd Reasoning Web Summer School, Dresden, Germany, volume 4636 of LNCS, 310--329, September 2007. Springer
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Markus Krötzsch, Sebastian Rudolph
Conjunctive Queries for EL with Role Composition
In D. Calvanese, E. Franconi, V. Haarslev, D. Lembo, B. Motik, A.-Y. Turhan and S. Tessaris, eds., Proceedings of the 20th International Workshop on Description Logics (DL2007), volume 250 of CEUR Workshop Proceedings, June 2007. CEUR-WS.org
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler, Michael Sintek, Denny Vrandečić
Efficient OWL Reasoning with Logic Programs - Evaluations
In Massimo Marchiori, Jeff Z. Pan, Christian de Sainte Marie, eds., Proceedings of The First International Conference on Web Reasoning and Rule Systems 2007 (RR2007), volume 4524 of Springer Lecture Notes in Computer Science, 370-373, June 2007. Springer
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Quo Vadis, CS? - On the (non)-impact of Conceptual Structures on the Semantic Web
In Uta Priss, Simon Polovina, Richard Hill, eds., Conceptual Structures: Knowledge Architectures for Smart Applications, Proc. ICCS 2007, volume 4604 of LNAI, 464-467, July 2007. Springer
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Denny Vrandečić, Markus Krötzsch, Max Völkel
Wikipedia and the Semantic Web, Part II
In Phoebe Ayers and Nicholas Boalch, eds., Proceedings of Wikimania 2006 - The Second International Wikimedia Conference, August 2007. Wikimedia Foundation
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Anupriya Ankolekar, Paul Buitelaar, Philipp Cimiano, Pascal Hitzler, Malte Kiesel, Markus Krötzsch, Holger Lewen, G. Neumann, Michael Sintek, Tuvshintur Tserendorj, Rudi Studer
SmartWeb: Mobile Access to the Semantic Web
Proceedings of the ISWC 2006 Poster and Demo Session, November 2006
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Anupriya Ankolekar, Philipp Cimiano, Pascal Hitzler, Markus Krötzsch, Günter Ladwig, Holger Lewen, Daniel Oberle, Rudi Studer, Malte Kiesel, Michael Sintek
SmartWeb: Mobile Access to the Semantic Web
In Holger Wache, eds., Proceedings of the ESWC2006 poster and demo session, 3-4, June 2006
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Heiko Haller, Markus Krötzsch, Max Völkel, Denny Vrandečić
Semantic Wikipedia (software demo)
Proceedings of the 2006 International Symposium on Wikis, 137--138, August 2006. ACM Press
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Pascal Hitzler, Markus Krötzsch
Querying formal contexts with answer set programs
In Henrik Schärfe, Pascal Hitzler, Peter Ohrstrom, eds., Conceptual Structures: Inspiration and Application, Proceedings of the 14th International Conference on Conceptual Structures, ICCS 2006, Aalborg, Denmark, July 2006, volume 4068 of Lecture Notes in Artificial Intelligence, 413-426, July 2006. Springer
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Markus Krötzsch, Pascal Hitzler, Denny Vrandečić, Michael Sintek
How to reason with OWL in a logic programming system
In Thomas Eiter, Enrico Franconi, Ralph Hodgson, Susie Stephens, eds., Proceedings of the Second International Conference on Rules and Rule Markup Languages for the Semantic Web, RuleML2006, 17--26, November 2006. IEEE Computer Society
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Markus Krötzsch, Grit Malik
The Tensor Product as a Lattice of Regular Galois Connections
In Rokia Missaoui and Jürg Schmid, eds., Proceedings of the 4th International Conference on Formal Concept Analysis (ICFCA2006), Dresden, Germany, volume 3874 of Lecture Notes in Computer Science, February 2006. Springer
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
On the complexity of Horn description logics
In Bernardo Cuenca Grau, Pascal Hitzler, Conor Shankey, Evan Wallace, eds., Proceedings of the 2nd Workshop on OWL: Experiences and Directions, volume 216 of CEUR Workshop Proceedings, November 2006. CEUR
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Markus Krötzsch, Denny Vrandečić, Max Völkel
Semantic MediaWiki
In Isabel Cruz and Stefan Decker and Dean Allemang and Chris Preist and Daniel Schwabe and Peter Mika and Mike Uschold and Lora Aroyo, eds., Proceedings of the 5th International Semantic Web Conference (ISWC06), volume 4273 of Lecture Notes in Computer Science, 935-942, November 2006. Springer
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Denny Vrandečić, Markus Krötzsch
Reusing Ontological Background Knowledge in Semantic Wikis
In Max Völkel and Sebastian Schaffert and Stefan Decker, eds., Proceedings of the First Workshop on Semantic Wikis -- From Wikis to Semantics, June 2006
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Max Völkel, Markus Krötzsch, Denny Vrandečić, Heiko Haller, Rudi Studer
Semantic Wikipedia
Proceedings of the 15th international conference on World Wide Web (WWW 2006), May 2006
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Antoine Zimmermann, Markus Krötzsch, Jérôme Euzenat, Pascal Hitzler
Formalizing Ontology Alignment and its Operations with Category Theory
In Brandon Bennett and Christiane Fellbaum, eds., Proceedings of the Fourth International Conference on Formal Ontology in Information Systems (FOIS 2006), volume 150 of Frontiers in Artificial Intelligence and Applications, 277--288, November 2006. IOS Press
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Pascal Hitzler, Markus Krötzsch, Marc Ehrig, York Sure
What Is Ontology Merging? – A Category-Theoretical Perspective Using Pushouts
In Pavel Shvaiko, Jerome Euzenat, Alain Leger, Deborah L. McGuinness, Holger Wache, eds., Proceedings of the First International Workshop on Contexts and Ontologies: Theory, Practice and Applications (C&0). Workshop at the 20th National Conference on Artificial Intelligence, AAAI-05, Pittsburgh, Pennsylvania, July 2005, Technical Report WS-05-01, 104-107, July 2005. AAAI Press, Menlo Park, California
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Pascal Hitzler, Peter Haase, Markus Krötzsch, York Sure, Rudi Studer
DLP isn't so bad after all
In Bernardo Cuenca Grau, Ian Horrocks, Bijan Parsia, Peter Patel-Schneider, eds., Proceedings of the Workshop OWL - Experiences and Directions, Galway, Ireland, volume 188 of CEUR Workshop Proceedings, November 2005
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Markus Krötzsch, Pascal Hitzler, Guo-Qiang Zhang
Morphisms in Context
In Frithjof Dau, Marie-Laure Mugnier and Gerd Stumme, eds., Conceptual Structures: Common Semantics for Sharing Knowledge. Proceedings of the 13th International Conference on Conceptual Structures, ICCS '05, Kassel, Germany, July 2005, volume 3596 of Lecture Notes in Computer Science, 223-237, July 2005. Springer, Berlin
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Markus Krötzsch, Denny Vrandečić, Max Völkel
Wikipedia and the Semantic Web - The Missing Links
Proceedings of Wikimania 2005 - The First International Wikimedia Conference, July 2005. Wikimedia Foundation
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Books
Steffen Hölldobler, Sebastian Bader, Bertram Fronhöfer, Ursula Hans, Pascal Hitzler, Markus Krötzsch, Tobias Pietzsch
Logik und Logikprogrammierung, Band 2: Aufgaben und Lösungen
Synchron Publishers Heidelberg, 2011
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Pascal Hitzler, Markus Krötzsch, Sebastian Rudolph
Foundations of Semantic Web Technologies
Chapman & Hall/CRC, August 2009
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Pascal Hitzler, Markus Krötzsch, Sebastian Rudolph, York Sure
Semantic Web - Grundlagen
eXamen.press. Springer-Verlag Berlin Heidelberg, January 2008
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Book Chapters
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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Markus Krötzsch, František Simančík, Ian Horrocks
A Description Logic Primer
In Jens Lehmann, Johanna Völker, eds., Perspectives on Ontology Learning, chapter 1. IOS Press, 2014
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Markus Krötzsch
Out of the Lab, Into the Wild: Growing Open Source Communities Around Academic Projects
In Lydia Pintscher, eds., Open Advice, chapter 3, 11-17. open-advice.org, 2012
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Markus Krötzsch, Denny Vrandečić
Semantic MediaWiki
In Foundations for the Web of Information and Services, 311-326. Springer, 2011
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Markus Krötzsch, Bernhard Ganter
A Brief Introduction to Formal Concept Analysis
In Pascal Hitzler and Hendrik Schärfe, eds., Conceptual Structures in Practice, CRC Studies in Informatics, 3--16. Chapman & Hall, May 2009
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Anupriya Ankolekar, Markus Krötzsch, Duc Thanh Tran, Denny Vrandečić
Die zwei Kulturen
In Andreas Blumauer and Tassilo Pellegrini, eds., Social Semantic Web, X.media.press, 99-123. Springer, October 2008
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Markus Krötzsch, Denny Vrandečić
Semantic Wikipedia
In Andreas Blumauer and Tassilo Pellegrini, eds., Social Semantic Web, X.media.press, 393-422. Springer, October 2008
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Denny Vrandečić, Markus Krötzsch, Max Völkel
Die Zukunft der Wikis: Semantic Web
In Christoph Lange, eds., Wikis und Blogs: Planen, Einrichten, Verwalten, 789-810. C&L Computer und Literaturverlag, January 2007
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Edited Proceedings
Markus Krötzsch, Daria Stepanova
Explainable Artificial Intelligence. Proceedings of the 15th Reasoning Web Summer School
Volume 11810 of LNCS, 2019. Springer
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Daniele Dell'Aglio, Emanuele Della Valle, Thomas Eiter, Markus Krötzsch, Maria Maleshkova, Ruben Verborgh, Federico M. Facca, Michael Mrissa
Joint Proceedings of the 3rd Stream Reasoning (SR 2016) and the 1st Semantic Web Technologies for the Internet of Things (SWIT 2016) workshops
Volume 1783 of CEUR Workshop Proceedings, 2017. CEUR-WS.org
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Paul T. Groth, Elena Simperl, Alasdair J. G. Gray, Marta Sabou, Markus Krötzsch, Freddy Lécué, Fabian Flöck, Yolanda Gil
Proceedings of the 15th International Semantic Web Conference (ISWC 2016), Part I
Volume 9981 of LNCS, 2016. Springer
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Paul T. Groth, Elena Simperl, Alasdair J. G. Gray, Marta Sabou, Markus Krötzsch, Freddy Lécué, Fabian Flöck, Yolanda Gil
Proceedings of the 15th International Semantic Web Conference (ISWC 2016), Part II
Volume 9982 of LNCS, 2016. Springer
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Steffen Hölldobler, Markus Krötzsch, Rafael Peñaloza Nyssen, Sebastian Rudolph
KI 2015: Advances in Artificial Intelligence - Proceedings of the 38th Annual German Conference on AI
Volume 9324 of LNAI, 2015. Springer
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Kostis Kyzirakos, Cory A. Henson, Matthew Perry, Dalia Varanka, Rolf Grütter, Jean-Paul Calbimonte, Irene Celino, Emanuele Della Valle, Daniele Dell'Aglio, Markus Krötzsch, Stefan Schlobach
Joint Proceedings of the 1st Joint International Workshop on Semantic Sensor Networks and Terra Cognita (SSN-TC 2015) and the 4th International Workshop on Ordering and Reasoning (OrdRing 2015)
Volume 1488 of CEUR Workshop Proceedings, 2015. CEUR-WS.org
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Irene Celino, Emanuele Della Valle, Markus Krötzsch, Stefan Schlobach
Proceedings of the 2nd International Workshop on Ordering and Reasoning, OrdRing 2013
Volume 1059 of CEUR Workshop Proceedings, 2013. CEUR-WS.org
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Thomas Eiter, Birte Glimm, Yevgeny Kazakov, Markus Krötzsch
Informal Proceedings of the 26th International Workshop on Description Logics, Ulm, Germany, July 23 - 26, 201
Volume 1014 of CEUR Workshop Proceedings, 2013. CEUR-WS.org
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Michael Benedikt, Markus Krötzsch, Maurizio Lenzerini
Proceedings of the 31st ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems (PODS 2012)
, 2012. ACM
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Markus Krötzsch, Umberto Straccia
Web Reasoning and Rule Systems - 6th International Conference, RR 2012, Vienna, Austria, September 10-12, 2012. Proceeding
Volume 7497 of Lecture Notes in Computer Science, 2012. Springer
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Doctoral Theses
Technical Reports
Pierre Bourhis, Markus Krötzsch, Sebastian Rudolph
Reasonable Highly Expressive Query Languages: Extended Technical Report
Technical Report, TU Dresden, May 2015
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Pierre Bourhis, Markus Krötzsch, Sebastian Rudolph
Query Containment for Highly Expressive Datalog Fragments
Technical Report, arXiv.org, volume CoRR abs/1406.7801, January 2014
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Markus Krötzsch, Sebastian Rudolph
Conjunctive Query Answering for Directional Rules
Technical Report, Institut AIFB, KIT, May 2012. Technical Report
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Markus Krötzsch, Frantisek Simancik, Ian Horrocks
A Description Logic Primer
Technical Report, arXiv.org, volume CoRR abs/1201.4089, January 2012
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Markus Krötzsch, Sebastian Speiser
Expressing Self-Referential Usage Policies for the Semantic Web
Technical Report, Institut AIFB, KIT, June 2011
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Markus Krötzsch, Sebastian Rudolph
Revisiting Acyclicity and Guardedness Criteria for Decidability of Existential Rules
Technical Report, Institut AIFB, KIT, volume 3011, January 2011
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Markus Krötzsch
Efficient Inferencing for the Description Logic Underlying OWL EL
Technical Report, Institut AIFB, KIT, May 2010
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Markus Krötzsch, Sebastian Rudolph
Finding the Largest Datalog Fragment of Description Logic
Technical Report 3002, Institute AIFB, KIT, November 2009
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
Expressive Tractable Description Logics based on SROIQ Rules
Technical Report, Universität Karlsruhe (TH), volume 1724, February 2008
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
ELP: Tractable Rules for OWL 2
Technical Report, Institut AIFB, Universität Karlsruhe (TH), volume 1752, April 2008
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Cheap Boolean Role Constructors for Description Logics
Technical Report, Institut AIFB, Universität Karlsruhe, volume 1753, April 2008
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Description Logic Reasoning with Decision Diagrams: Compiling SHIQ to Disjunctive Datalog
Technical Report, Universität Karlsruhe (TH), volume 1767, May 2008
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
OBDD-based Tbox Reasoning in SHIQ
Technical Report, Universität Karlsruhe, volume 1751, January 2008
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Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
All Elephants are Bigger than All Mice
Technical Report, Institut AIFB, KIT, February 2008
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Tuvshintur Tserendorj, Sebastian Rudolph, Markus Krötzsch, Pascal Hitzler
Approximate OWL-Reasoning with SCREECH
Technical Report, Institute AIFB, University of Karlsruhe, volume 1729, March 2008
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Markus Krötzsch, Sebastian Rudolph, Pascal Hitzler
Complexity of Horn Description Logics
Technical Report, Instistute AIFB, Universität Karlsruhe, volume 1432, February 2007
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Markus Krötzsch, Pascal Hitzler, Marc Ehrig, York Sure
Category Theory in Ontology Research: Concrete Gain from an Abstract Approach
Technical Report, AIFB, Universität Karlsruhe, volume 893, March 2005
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Markus Krötzsch
Generalized Ultrametric Spaces in Quantitative Domain Theory
Technical Report, Knowledge Representation and Reasoning Group, Institute for Artificial Intelligence, Department of Computer Science, Dresden University of Technology, Dresden, Germany, volume WV--04--02, 2004
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Project Deliverables
Basil Ell, Frank Dengler, Divna Djordjevic, Fabio Garzotto, Markus Krötzsch, Elena Simperl, Katharina Siorpaes, Denny Vrandečić, Stephan Wölger
D1.1.2: Conceptual Models for Enterprise Knowledge (Final Models and Evaluation)
Institut AIFB, KIT, (D1.1.2), ACTIVE Deliverable, February 2010
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Markus Krötzsch, Tobias Bürger, Michael Luger, Denny Vrandečić, Stephan Wölger
D1.3.2: Collaborative Articulation of Enterprise Knowledge (Demonstrator)
Institut AIFB, KIT, (D1.3.2), ACTIVE Deliverable, March 2010
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Denny Vrandečić, Basil Ell, Frank Dengler, Markus Krötzsch, Michael Erdmann
D1.4.2: Knowledge leveraging and repair Demonstrator
Institut AIFB, KIT, (D1.4.2), ACTIVE Deliverable, March 2010
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Frank Dengler, Markus Krötzsch, Denny Vrandečić, Elena Simperl, Katharina Siorpaes
D1.1.1 Conceptual models for enterprise knowledge (Initial Models)
Institut AIFB, KIT, (D1.1.1), ACTIVE Deliverable, March 2009
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Markus Krötzsch, Frank Dengler, Katharina Siorpaes, Denny Vrandečić
D1.3.1: Collaborative Articulation of Enterprise Knowledge (Early prototypes)
Institut AIFB, KIT, (D1.3.1), ACTIVE Deliverable, March 2009
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Philipp Cimiano, Duc Thanh Tran, Pascal Hitzler, Markus Krötzsch, A. Lavelli, Bernhard Schuler, Giorgos Stoilos, Karen Tso, Vassilis Tzouvaras
Incorporating Uncertainty into RDF and OWL. X-Media Deliverable D2.1
Institute AIFB, University of Karlsruhe, November 2006
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Pascal Hitzler, Jerome Euzenat, Markus Krötzsch, Luciano Serafini, Heiner Stuckenschmidt, Holger Wache, Antoine Zimmermann
Integrated view and comparison of alignment semantics
AIFB, University of Karlsruhe, (D2.2.5), January 2006
Details
Paolo Bouquet, Marc Ehrig, Jerome Euzenat, Enrico Franconi, Pascal Hitzler, Markus Krötzsch, Luciano Serafini, Giorgos Stamou, York Sure, Sergio Tessaris
Specification of a common framework for characterizing alignment
University of Karlsruhe, (2.2.1v2), Knowledge Web Deliverable, December 2004
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Talks and Miscellaneous
Markus Krötzsch
Data, Ontologies, Rules, and the Return of the Blank Node
Keynote at the 21st International Semantic Web Conference, 2022
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David Carral, Markus Krötzsch, Jacopo Urbani
Practical Uses of Existential Rules in Knowledge Representation
Tutorial at the 17th International Conference on Principles of Knowledge Representation and Reasoning (KR 2020)
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David Carral, Markus Krötzsch, Jacopo Urbani
Practical Uses of Existential Rules in Knowledge Representation
Tutorial at the 24th European Conference on Artificial Intelligence (ECAI 2020)
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Markus Krötzsch
Working with Knowledge Graphs
Course at EDBT Summer School 2019, Lyon, France, 2019
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Markus Krötzsch
Recent Advances in Reasoning with Existential Rules
Presentation at the 2018 Workshop of the European Master in Computational Logic (EMCL), 2018
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Markus Krötzsch
Getting the most out of Wikidata
Invited presentation at Wiki Workshop 2018, 2018
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Markus Krötzsch
Ontological Modelling in Wikidata
Invited keynote at the 9th Workshop on Ontology Design and Patterns (WOP'18), 2018
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Maximilian Marx, Markus Krötzsch
The New SQID: Improving Wikidata Made Easy
Presentation at WikidataCon 2017, 2017
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Markus Krötzsch
Wikidata as a Cultural Heritage Information Hub
Invited talk at the Europeana Network Association AGM 2016, November 2016
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Markus Krötzsch, Denny Vrandečić
Wikipedia 3.0: MediaWiki meets the Semantic Web
Presentation at the 3rd International Wikimedia Conference (Wikimania 2007), Taipei, Taiwan, July 2007
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Markus Krötzsch
Practical Reasoning with OWL and Rules
Invited talk at the Semantic Web Technology Showcase 2007, Vienna, Austria, May 2007
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Max Völkel, Markus Krötzsch, Denny Vrandečić, Heiko Haller, Rudi Studer
Semantic Wikipedia (ESWC2006 demo)
Poster and Demo at the ESWC2006, June 2006
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Max Völkel, Heiko Haller, Markus Krötzsch, Denny Vrandečić
Die neuen Tools: Web 2.0, Semantic Wiki, Social Tagging & Co.
Slides available online, March 2006
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Markus Krötzsch
Morphisms in Logic, Topology, and Formal Concept Analysis
Master's thesis, Technische Universität Dresden, February 2005
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