L. Tang, R. Biuk-Aghai, und S. Fong. Procceedings of the 2008 International Symposium on Wikis (WikiSym) Porto, Portugal, (2008)WikiSym '08, September 8-10, Porto, Portugal.
Copyright 2008 ACM 978-1-60558-128-3/08/09..
E. Smirnova. Proceedings of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, Seite 1191--1192. New York, NY, USA, ACM, (2011)