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Semantic MediaWiki

Contact: Markus Krötzsch

Project Status: active


Within only a few years, the free encyclopedia Wikipedia has become one of the most important online knowledge sources. The project "Semantic MediaWiki" engages in the conception and development of semantic extensions of MediaWiki the software underlying Wikipedia. The goal is to enable simple, machine-based processing of Wiki-content by allowing users to provide suitable semantic annotations. However, the special Wiki environment and the multitude of envisaged applications impose a number of additional requirements. The overall objective of the project is to develop a single solution for semantic annotation that fits the needs of most Wikimedia projects and still meets the Wiki-specific requirements of usability and performance. It is understood that ad hoc implementations (i.e. "hacks") may sometimes solve single problems, but agreeing on common editing syntax, underlying technology, exchange formats, etc. bears huge advantages for all participants. Example wiki at and this portal at

Involved Persons
York Sure-Vetter, Daniel M. Herzig, Frank Dengler, Markus Krötzsch, Basil Ell, Benedikt Kämpgen, Max Völkel, Heiko Haller, Rudi Studer, Denny Vrandecic


from: 1 August 2005
Predecessing Project: ActiveSEKT(KA)2

Research Group

Web Science

Area of Research

Semantic Technologies, Semantic Web Infrastructure, Wissensmanagementsysteme, Knowledge Portals, Social Software

Publications Belonging to the Project
 - book
 - booklet
 - phdthesis
 - deliverable
 - manual
 - misc
 - unpublished



Markus Krötzsch, Denny Vrandecic, Max Völkel, Heiko Haller, Rudi Studer
Semantic Wikipedia
Journal of Web Semantics, 5, pages 251--261, September, 2007

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Frank Dengler, Hans-Jörg Happel
Collaborative Modeling with Semantic MediaWiki
Proceedings of the 6th International Symposium on Wikis and Open Collaboration, ACM, Gdansk, Poland, Juli, 2010

Frank Dengler, Steffen Lamparter, Mark Hefke, Andreas Abecker
Collaborative Process Development using Semantic MediaWiki
Proceedings of the 5th Conference of Professional Knowledge Management, GI, Solothurn, Switzerland, März, 2009

Peter Haase, Daniel M. Herzig, Mark Musen, Duc Thanh Tran
Semantic Wiki Search
In Lora Aroyo Paolo et al., 6th Annual European Semantic Web Conference, ESWC2009, Heraklion, Crete, Greece, pages: 445-460, Springer Verlag, LNCS, 5554, Juni, 2009

Heiko Haller, Markus Krötzsch, Max Völkel, Denny Vrandecic
Semantic Wikipedia (software demo)
Proceedings of the 2006 International Symposium on Wikis, pages: 137--138, ACM Press, August, 2006

Markus Krötzsch, Denny Vrandecic, 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, Proceedings of the 5th International Semantic Web Conference (ISWC06), pages: 935--942, Springer, Lecture Notes in Computer Science, 4273, Athens, GA, USA, November, 2006

Markus Krötzsch, Sebastian Schaffert, Denny Vrandecic
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, Proceedings of the 3rd Reasoning Web Summer School, Dresden, Germany, pages: 310--329, Springer, LNCS, 4636, September, 2007

Eyal Oren, Max Völkel, John G. Breslin, Stefan Decker
Semantic Wikis for Personal Knowledge Management
Database and Expert Systems Applications, pages: 509-518, Springer Berlin / Heidelberg, 4080/2006, September, 2006

Eyal Oren, Renaud Delbru, Knud Möller, Max Völkel, Siegfried Handschuh
Annotation and Navigation in Semantic Wikis
In Max Völkel, Proceedings of the First Workshop on Semantic Wikis -- From Wiki To SemanticsJuni, 2006

Mathias Schindler, Denny Vrandecic
Introducing new features to Wikipedia - Case studies for Web science
In Jim Hendler, Helen Margetts, Proceedings of the First International Conference on Web Sciences WebSci09, Web Science Trust, Athens, Greece, März, 2009

Denny Vrandecic, Markus Krötzsch, Max Völkel
Wikipedia and the Semantic Web, Part II
In Phoebe Ayers and Nicholas Boalch, Proceedings of Wikimania 2006 - The Second International Wikimedia Conference, Cambridge, MA, USA, August, 2007

Denny Vrandecic, Markus Krötzsch
Reusing Ontological Background Knowledge in Semantic Wikis
In Max Völkel and Sebastian Schaffert and Stefan Decker, Proceedings of the First Workshop on Semantic Wikis -- From Wikis to Semantics, Budva, Montenegro, Juni, 2006

Valentin Zacharias, Andreas Abecker, Denny Vrandecic, Imen Borgi, Simone Braun, Andreas Schmidt
Mind the Web
In Ruzica Piskac, Frank van Harmelen, Ning Zhong, Proceedings of the Workshop on New Forms of Reasoning for the Semantic Web: scalable, tolerant and dynamic, CEUR-WS, CEUR-WS, 291, Busan, Korea, November, 2007

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Pascal Hitzler, Markus Krötzsch, Sebastian Rudolph
Foundations of Semantic Web Technologies
Chapman & Hall/CRC, August, 2009

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Markus Krötzsch, Denny Vrandecic
Semantic Wikipedia
In Andreas Blumauer and Tassilo Pellegrini, Social Semantic Web, pages 393-422, Springer,, Oktober, 2008

Denny Vrandecic, Markus Krötzsch, Max Völkel
Die Zukunft der Wikis: Semantic Web
In Christoph Lange, Wikis und Blogs: Planen, Einrichten, Verwalten, pages 789--810, C&L Computer und Literaturverlag, Januar, 2007

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Max Völkel
Proceedings of the First Workshop on Semantic Wikis - From Wiki To Semantics in Max Völkel, Mai, 2006

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Max Völkel, Eyal Oren
Personal Knowledge Management with Semantic Wikis
AIFB Karlsruhe, archiv number: 1064, Dezember, 2005

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Peter Haase, Daniel M. Herzig, Mark Musen, Duc Thanh Tran
Technical Report: Semantic Wiki Search
Technical Report, Dezember, 2008

Markus Krötzsch, Denny Vrandecic
Wikipedia 3.0: MediaWiki meets the Semantic Web
Presentation at the 3rd International Wikimedia Conference (Wikimania 2007), Taipei, Taiwan, Juli, 2007

Max Völkel, Markus Krötzsch, Denny Vrandecic, Heiko Haller, Rudi Studer
Semantic Wikipedia (ESWC2006 demo)
Poster and Demo at the ESWC2006, Juni, 2006

Max Völkel, Heiko Haller, Markus Krötzsch, Denny Vrandecic
Die neuen Tools: Web 2.0, Semantic Wiki, Social Tagging & Co.
Slides available online, März, 2006

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