B. Klimek, J. McCrae, C. Lehmann, and S. Hellmann. Proceedings of Language, Data, and Knowledge - First International Conference, LDK 2017, volume 10318 of Lecture Notes in Computer Science, page 42--57. Springer Verlag, (2017)
B. Klimek, M. Ackermann, A. Kirschenbaum, and 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)
A. Klebeck, S. Hellmann, C. Ehrlich, and S. Auer. The Semanic Web: Research and Applications, volume 6644 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, (2011)
S. Hellmann, J. Lehmann, S. Auer, and M. Nitzschke. EKAW, page 446-449. (2012)published at EKAW, preprint http://jens-lehmann.org/files/2012/ekaw_nif_combinator.pdf.
S. Hellmann, J. Lehmann, and S. Auer. EKAW 2012, Springer, (2012)published at EKAW, preprint: http://svn.aksw.org/papers/2012/NIF/EKAW_short_paper/public.pdf.
S. Hellmann, C. Stadler, J. Lehmann, and S. Auer. Proc. of 8th International Conference on Ontologies, DataBases, and Applications of Semantics (ODBASE), volume 5871 of Lecture Notes in Computer Science, page 1209--1223. (2009)
S. Hellmann, J. Lehmann, and S. Auer. Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC2008), Karlsruhe, Germany, October 28, 2008, volume 401 of CEUR Workshop Proceedings, CEUR-WS.org, (2008)
S. Hellmann, J. Lehmann, and S. Auer. Learning of OWL Class Expressions on Very Large Knowledge Bases and its Applications, chapter 5, IGI Global, (2011)
S. Hellmann, A. Filipowska, C. Barriere, P. Mendes, and D. Kontokostas. Proceedings of 1st International Workshop on NLP and DBpedia, October 21-25, Sydney, Australia, volume 1064 of NLP & DBpedia 2013, Sydney, Australia, CEUR Workshop Proceedings, (October 2013)