Abteilung Grundlagen der Wissensrepräsentation.

For my publications, please see group publication list, DBLP, or Google scholar

A Textbook on Description Logics

Recent Activities

• AAAI2023 distinguished paper award
• PODS2023 Test of Time Award for PODS2013 paper on Ontology-Mediated Querying
• General Chair of the 36th International Workshop on Description Logics (DL 2023)
• PC Member of the International Joint Conference on Artificial Intelligence (IJCAI2023)
• Senior PC Member of the European Conference on Artificial Intelligence (ECAI2023)
• PC Member of the Conference on Uncertainty in Artificial Intelligence (UAI2023)

Two systems for Ontology-Based Data Access:
Grind (for computing FO-rewritings in EL) and Combo (implementing the combined approach in DL-Lite)

I support reducing our conference travel CO2 footprint:

I also like poems (which might or might not seem incompatible with having a position at a university). And, sometimes, quotes:

"All of humanity's problems stem from man's inability to sit quietly in a room alone." - Blaise Pascal