Y. Chali, und S. Joty. Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics on Human Language Technologies: Short Papers, Seite 9--12. Stroudsburg, PA, USA, Association for Computational Linguistics, (2008)
D. Millen, und M. Fontaine. GROUP '03: Proceedings of the 2003 international ACM SIGGROUP conference on Supporting group work, Seite 205--211. New York, NY, USA, ACM, (2003)
M. Martin, J. Unbehauen, und S. Auer. (Mai 2010)To appear in proceedings of 7th Extended Semantic Web Conference (ESWC2010), Heraklion, Crete, Greece,.