Wikidata
From International Center for Computational Logic
Wikidata
Wikipedia's free, collaborative knowledge base
Research group
People
- Contact Markus Krötzsch
- http://www.wikidata.org/
- since 2012
- funded by Wikimedia Foundation
Wikidata is the free, collaborative knowledge base behind Wikipedia and many other Wikimedia projects. The Web site has been online since late 2012 and has since become an important data provider for Wikipedias in all languages. Ten thousands of users have contributed statements about millions of entities. In December 2013, Google announced that their own collaboratively edited knowledge base, Freebase, is to be discontinued in favour of Wikidata. The research group Knowledge-Based Systems is working in close cooperation with the development team behind Wikidata, and provides, e.g., the regular Wikidata RDF-Exports.
Development of Wikidata started in April 2012 with a team of developers based on the Berlin offices of Wikimedia Germany. The project was heavily inspired by Semantic MediaWiki and Markus Krötzsch has been acting as an architectural advisor to the project since its inception.
Journal Articles
Markus Krötzsch
Wissen als Code: Die Welt der Wissensgraphen und Ontologien
Linux-Magazin (12/2022):24-28, 2022
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Denny Vrandečić, Markus Krötzsch
Wikidata: a free collaborative knowledgebase
Commun. ACM, 57(10):78-85, 2014
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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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Proceedings Articles
Alex Ivliev, Lukas Gerlach, Simon Meusel, Jakob Steinberg, Markus Krötzsch
Nemo: Your Friendly and Versatile Rule Reasoning Toolkit
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, to appear. IJCAI Organization
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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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Tom Hanika, Maximilian Marx, Gerd Stumme
Discovering Implicational Knowledge in Wikidata
In Diana Cristea, Florence Le Ber, Baris Sertkaya, eds., Proceedings of the 15th International Conference on Formal Concept Analysis (ICFCA'19), volume 11511 of LNCS, 315--323, June 2019. Springer
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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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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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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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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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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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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, 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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Technical Reports
Tom Hanika, Maximilian Marx, Gerd Stumme
Discovering Implicational Knowledge in Wikidata
Technical Report, arXiv.org, volume CoRR abs/1902.00916, February 2019
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Talks and Miscellaneous
Tom Hanika, Maximilian Marx, Gerd Stumme
Discovering Implicational Knowledge in Wikidata
Presentation at Wikimania 2019, August 2019
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Maximilian Marx
SQID 2.0 — A Data Browser for Wikidata
Poster at Wikimania 2019, August 2019
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Tom Hanika, Maximilian Marx, Gerd Stumme
The Exploration Game
Poster at Wikimania 2019, August 2019
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Markus Krötzsch
Working with Knowledge Graphs
Course at EDBT Summer School 2019, Lyon, France, 2019
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Tom Hanika, Maximilian Marx, Gerd Stumme
Interactively Discovering Implicational Knowledge in Wikidata
Presentation at 36th Chaos Communication Congress 2019, December 2019
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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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Markus Krötzsch
Wikidata as a Cultural Heritage Information Hub
Invited talk at the Europeana Network Association AGM 2016, November 2016
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