lorenz_1PhD Student
Agile Knowledge Engineering and Semantic Web (AKSW)
University of Leipzig

Profiles: LinkedInGoogle Scholar, DBLP


Hainstraße 11, 04109 Leipzig
Phone: +49-341-9732292



Short CV

Lorenz Bühmann is a PhD Student at the University of Leipzig. Lorenz’s research interests are in the area of Structured Machine Learning.

Research Interests

  • Ontology Learning
  • Ontology Debugging
  • Reasoning
  • Question Answering
  • Natural Language Generation
  • Big Structured Machine Learning


  1. ASSESS — Automatic Self-Assessment Using Linked Data by Lorenz Bühmann, Ricardo Usbeck, and Axel-Cyrille Ngonga Ngomo in International Semantic Web Conference (ISWC).
  2. HAWK – Hybrid Question Answering over Linked Data by Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo,Lorenz Bühmann, and Christina Unger in 12th Extended Semantic Web Conference, Portoroz, Slovenia, 31st May – 4th June 2015.
  3. Hybrid Acquisition of Temporal Scopes for RDF Data by Anisa Rula, Matteo Palmonari, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Jens Lehmann, and Lorenz Bühmann in Proc. of the Extended Semantic Web Conference 2014.
  4. Inductive Lexical Learning of Class Expressions by Lorenz Bühmann, Daniel Fleischhacker, Jens Lehmann,Andre Melo, and Johanna Völker in Knowledge Engineering and Knowledge Management (Editors: Krzysztof Janowicz, Stefan Schlobach, Patrick Lambrix, and Eero Hyvönen).
  5. Web-Scale Extension of RDF Knowledge Bases from Templated Websites by Lorenz Bühmann, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Muhammad Saleem, Andreas Both, Valter Crescenzi, Paolo Merialdo, and Disheng Qiu in International Semantic Web Conference (ISWC).
  6. Pattern Based Knowledge Base Enrichment by Lorenz Bühmann and Jens Lehmann in The Semantic Web — ISWC 2013 (Editors: Harith Alani, Lalana Kagal, Achille Fokoue, Paul Groth, Chris Biemann, JosianeXavier Parreira, Lora Aroyo, Natasha Noy, Chris Welty, and Krzysztof Janowicz).
  7. Real-time RDF extraction from unstructured data streams by Daniel Gerber, Axel-Cyrille Ngonga Ngomo,Sebastian Hellmann, Tommaso Soru, Lorenz Bühmann, and Ricardo Usbeck in Proceedings of ISWC.
  8. Sorry, I don’t speak SPARQL — Translating SPARQL Queries into Natural Language by Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, and Daniel Gerber. in Proceedings of WWW.
  9. SPARQL2NL – Verbalizing SPARQL queries by Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger,Jens Lehmann, and Daniel Gerber in Proc. of WWW 2013 Demos.
  10. DEQA: Deep Web Extraction for Question Answering by Jens Lehmann, Tim Furche, Giovanni Grasso, Axel-Cyrille Ngonga Ngomo, Christian Schallhart, Andrew Sellers, Christina Unger, Lorenz Bühmann, Daniel Gerber, Konrad Höffner, David Liu, and Sören Auer in Proceedings of ISWC.
  11. Template-based Question Answering over RDF data by Christina Unger, Lorenz Bühmann, Jens Lehmann,Axel-Cyrille Ngonga Ngomo, Daniel Gerber, and Philipp Cimiano in Proceedings of the 21st international conference on World Wide Web.
  12. Universal OWL Axiom Enrichment for Large Knowledge Bases by Lorenz Bühmann and Jens Lehmann inProceedings of EKAW 2012.
  13. AutoSPARQL: Let Users Query Your Knowledge Base by Jens Lehmann and Lorenz Bühmann in Proceedings of ESWC 2011.
  14. Class expression learning for ontology engineering by Jens Lehmann, Sören Auer, Lorenz Bühmann, andSebastian Tramp (geb. Dietzold) in Journal of Web Semantics.
  15. ORE – A Tool for Repairing and Enriching Knowledge Bases by Jens Lehmann and Lorenz Bühmann inProceedings of the 9th International Semantic Web Conference (ISWC2010).