T. Zesch, и I. Gurevych. Proceedings of the TextGraphs-2 Workshop (NAACL-HLT), стр. 1--8. Rochester, Association for Computational Linguistics, (апреля 2007)
B. Keegan, D. Gergle, и N. Contractor. Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work, стр. 427--436. New York, NY, USA, ACM, (2012)
U. Brandes, P. Kenis, J. Lerner, и D. van Raaij. WWW '09: Proceedings of the 18th international conference on World wide web, стр. 731--740. New York, NY, USA, ACM, (2009)
R. Klamma, и C. Haasler. Proceedings of I-KNOW '08 and I-MEDIA '08, стр. 276--279. Know-Center, Graz, Journal of Universal Computer Science, (сентября 2008)
U. Brandes, P. Kenis, J. Lerner, и D. van Raaij. WWW '09: Proceedings of the 18th international conference on World wide web, стр. 731--740. New York, NY, USA, ACM, (2009)