P. Cimiano, P. Haase, и J. Heizmann. Proceedings of IUI '07: 12th International Conference on Intelligent User Interfaces, Honolulu, HI, USA, стр. 180-189. (2007)
U. Callmeier, A. Eisele, U. Schäfer, и M. Siegel. Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC 2004), Lisbon, Portugal, стр. 1205-1208. European Language Resources Association (ELRA), (2004)
J. Angele, и M. Gesmann. Proceedings of the Second International Conference on Rules and Rule Markup Languages for the Semantic Web, Athens, GA, USA, стр. 58-66. (2006)