Faculty of Informatics and Statistics, Department of Information and Knowledge Engineering (DIKE)

About the Knowledge Engineering Group

The Knowledge Engineering Group (KEG) is an informal research meta-group at the University of Economics, Prague. It overarches the research activities of the Department of Information and Knowledge Engineering (DIKE), i.e. of its four recently formed workgroups having their own websites:

Most of the KEG website is no longer updated and reflects the situation in 2008. Regularly updated is however the log of group highlights (the 10 most recent being in the News section below) and the calendar of KEG seminars (including the abstracts and slides of talks). Other kinds of information are assumed to appear at the workgroup websites.


There no presentations planned for the seminars in this moment. (Complete calendar is here.)


  • 2015-11-14: Jindřich Mynarz and Václav Zeman will talk about Czech DBpedia and DB-quiz at the Czech annual Wikimedia conference (page is in Czech). See also: Czech DBpedia, DB-quiz, Wikimedia conference
  • 2015-11-01: Jan Rauch and Milan Šimůnek have been awarded the UEP Rector’s Prize for their book on the LISp-Miner system. See also: LISp-Miner homepage, UEP Rector’s Prize
  • 2015-11-01: Marek Dudáš will be awarded the Josef Hlávka Prize for outstanding PhD students and young academics, by the Hlávka Foundation. Congratulations! See also: Hlávka Foundation
  • 2015-10-012015-10-02: Vojtěch Svátek moderated the panel on PhD research & industrial cooperation, at the annual national database and knowledge engineering conference, Data&Znalosti (pages are in Czech). See also: Data&Znalosti, panel on PhD research & industrial cooperation
  • 2015-09-01: Tomáš Kliegr is starting his 6-month post-doc internship at University of Darmstadt. He will be mainly working with prof. Johannes Fürnkranz in the field of rule/preference learning. See also: prof. Johannes Fürnkranz
  • 2015-09-01: The LHD dataset developed by our group is available for download as part of the DBpedia 2015 release. See also: LHD dataset page, DBpedia 2015
  • 2015-09-01: Out of the 32 poster/demo papers accepted to the SEMANTiCS conference, only six outstanding ones have been selected for the main ACM volume and obtained a Honorary Mention… including both papers authored by SWOE! See also: SEMANTiCS
  • 2015-09-012015-12-31: Papers have been presented by the group members at: SEMANTiCS (2 demos: of PCFA tool for ontology-augmented procurement data management from LOD2 WP9a, and of ontology path metrics from COSOL), ODBASE (procurement linked data matchmaking, also from LOD2 WP9a), WOP@ISWC (OBM2OWL transformation patterns), VOILA@ISWC (discovering issues in datasets using visual summaries created in enhanced LODSight), OWLED (OBM2OWL transformation using the OBOWLMorph tool), KEOD (ontology richness analysis using path metrics from COSOL), Data&Znalosti (2 student papers, by P. Hazuza and Š. Turečková). See also: Data&Znalosti, SEMANTiCS, LOD2 WP9a, COSOL, ODBASE, WOP@ISWC, VOILA@ISWC, enhanced LODSight, OWLED, OBOWLMorph, KEOD
  • 2015-09-01: David Chudán successfully defended his PhD thesis on Association rule mining as a support for OLAP on September 22. Congratulations! (David remains at the Department, now as project worker and manager funded from OpenBudgets.eu.) See also: LHD dataset page, DBpedia 2015
  • 2015-08-03: At the RuleML 2015 conference in Berlin, the DMKD team presented the new EasyMiner/R interface, and Tomáš Kliegr co-chaired the RecSysRules 2015 challenge. See also: RuleML 2015, EasyMiner/R, RecSysRules 2015

Complete list of history is available as well.

Selected research demos

EasyMiner - mining rich associations from data using a web interface
LISp-Miner - stand-alone tool for rich association discovery
THD - targeted hypernym discovery, using Wikipedia articles in a live setting
PatOMat tools - a collection of tools enabling pattern-based ontology transformation (within the OWL language) and related tasks

See also

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