D. Cosley, D. Frankowski, L. Terveen, и J. Riedl. Proceedings of the 12th international conference on Intelligent user interfaces, стр. 32--41. New York, NY, USA, ACM, (2007)
M. Anderka, B. Stein, и N. Lipka. Proceedings of the 20th international conference companion on World wide web, стр. 5--6. New York, NY, USA, ACM, (2011)
S. Javanmardi, D. McDonald, и C. Lopes. Proceedings of the 7th International Symposium on Wikis and Open Collaboration, стр. 82--90. New York, NY, USA, ACM, (2011)