S. Hellmann, J. Lehmann, und S. Auer. Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC2008), Karlsruhe, Germany, October 28, 2008, Volume 401 von CEUR Workshop Proceedings, CEUR-WS.org, (2008)
S. Hellmann, J. Lehmann, und S. Auer. Learning of OWL Class Expressions on Very Large Knowledge Bases and its Applications, Kapitel 5, IGI Global, (2011)
S. Hellmann, J. Lehmann, S. Auer, und M. Nitzschke. EKAW, Seite 446-449. (2012)published at EKAW, preprint http://jens-lehmann.org/files/2012/ekaw_nif_combinator.pdf.
S. Hellmann, C. Stadler, J. Lehmann, und S. Auer. Proc. of 8th International Conference on Ontologies, DataBases, and Applications of Semantics (ODBASE), Volume 5871 von Lecture Notes in Computer Science, Seite 1209--1223. (2009)
A. Klebeck, S. Hellmann, C. Ehrlich, und S. Auer. The Semanic Web: Research and Applications, Volume 6644 von Lecture Notes in Computer Science, Springer Berlin / Heidelberg, (2011)
B. Klimek, M. Ackermann, A. Kirschenbaum, und S. Hellmann. Proceedings of the International Conference of the German Society for Computational Linguistics and Language Technology, German Society for Computational Linguistics and Language Technology, (2017)
B. Klimek, J. McCrae, C. Lehmann, und S. Hellmann. Proceedings of Language, Data, and Knowledge - First International Conference, LDK 2017, Volume 10318 von Lecture Notes in Computer Science, Seite 42--57. Springer Verlag, (2017)