Sen, S., Lam, S. K., Rashid, A. M., Cosley, D., Frankowski, D., Osterhouse, J., Harper, F. M. & Riedl, J. (2006). tagging, communities, vocabulary, evolution. CSCW '06: Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work (p./pp. 181--190), New York, NY, USA: ACM. ISBN: 1-59593-249-6

Sen, S., Lam, S. K., Rashid, A. M., Cosley, D., Frankowski, D., Osterhouse, J., Harper, F. M. & Riedl, J. (2006). tagging, communities, vocabulary, evolution. CSCW '06: Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work (p./pp. 181--190), New York, NY, USA: ACM. ISBN: 1-59593-249-6