D. Sonntag, und M. Möller. Proceedings of the International Conference on Knowledge Management and Information Sharing (KMIS), Madeira, Portugal, (2009)
H. Pon-Barry, F. Weng, und S. Varges. Proceedings of Interspeech 2006---ICSLP: 9th International Conference on Spoken Language Processing, Pittsburgh, PA, USA, Seite 1930-1933. (2006)
W. Maass, und A. Filler. Proceedings of the Workshop on Making Semantics Work For Business (MSWFB 2007), part of 1st European Semantic Technology Conference, Vienna, Austria, Seite 12-17. (2007)