• Knowledge Representation and Reasoning
  • Temporal and Spatial Data
  • Semantic Web
  • Description Logics



  • The 2014 Marco Cadoli Student Paper Prize, 14th International Conference on Principles of Knowledge Representation and Reasoning (KR), Vienna, 2014. (E. Botoeva, R. Kontchakov, V. Ryzhikov, F. Wolter and M. Zakharyaschev. Query Inseparability for Description Logic Knowledge Bases)

Recent Manuscripts

  1. V. Ryzhikov, P.A. Wałęga, and M. Zakharyaschev. Data Complexity and Rewritability of Ontology-Mediated Queries in Metric Temporal Logic under the Event-Based Semantics. Accepted for IJCAI 19.
  2. S. Brandt, D. Calvanese, E. Güzel Kalayci, R. Kontchakov, B. Morzinger, V. Ryzhikov, G. Xiao, and M. Zakharyaschev. Two-Dimensional Rule Language for Querying Sensor Log Data: a Framework and Use Cases. Submitted.
  3. R. Kontchakov, V. Ryzhikov, F. Wolter, and M. Zakharyaschev. A Note on DL-Lite with Boolean Role Inclusions. . Accepted for DL 19.
  4. E. Güzel Kalayci, S. Brandt, D. Calvanese, V. Ryzhikov, G. Xiao, M. Zakharyaschev. Ontology-Based Access to Temporal Data with Ontop: A Framework Proposal. . Accepted Int. J. Appl. Math. Comput. Sci., Vol. 29, No. 1, 17–30, 2019.
Older publications