S. Blümling, and N. Reithinger. Proceedings of DeLFI Workshops 2015, co-located with 13th e-Learning Conference of the German Computer Society (DeLFI-15), Munich, Germany, volume 1443 of CEUR Workshop Proceedings, page 10--18. RWTH Aachen, Sun SITE Central Europe, (2015)
U. Callmeier, A. Eisele, U. Schäfer, and M. Siegel. Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC 2004), Lisbon, Portugal, page 1205-1208. European Language Resources Association (ELRA), (2004)
P. Kapahnke, P. Liedtke, S. Nesbigall, S. Warwas, and M. Klusch. The Semantic Web -- ISWC 2010: 9th International Semantic Web Conference, Shanghai, China, Revised Selected Papers, Part II, volume 6497 of Lecture Notes in Computer Science, Springer, Berlin, (2010)