M. de Gemmis, P. Lops, G. Semeraro, and P. Basile. RecSys '08: Proceedings of the 2008 ACM conference on Recommender systems, page 163--170. New York, NY, USA, ACM, (2008)
E. Rader, and R. Wash. CSCW '08: Proceedings of the ACM 2008 conference on Computer supported cooperative work, page 239--248. New York, NY, USA, ACM, (2008)
K. Dellschaft, and S. Staab. HT '08: Proceedings of the nineteenth ACM conference on Hypertext and hypermedia, page 71--80. New York, NY, USA, ACM, (2008)
H. Halpin, V. Robu, and H. Shepherd. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 211--220. New York, NY, USA, ACM, (2007)
S. Braun, A. Schmidt, A. Walter, G. Nagypal, and V. Zacharias. Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge (CKC 2007) at the 16th International World Wide Web Conference (WWW2007) Banff, Canada, May 8, 2007, volume 273 of CEUR Workshop Proceedings, (2007)
C. Cattuto, D. Benz, A. Hotho, and G. Stumme. The Semantic Web -- ISWC 2008, Proc.Intl. Semantic Web Conference 2008, volume 5318 of LNAI, Springer, Heidelberg, (2008)
R. Jäschke, F. Eisterlehner, A. Hotho, and G. Stumme. RecSys '09: Proceedings of the 2009 ACM Conference on Recommender Systems, New York, NY, USA, ACM, (2009)(to appear).
R. Budiu, P. Pirolli, and L. Hong. CHI '09: Proceedings of the 27th international conference on Human factors in computing systems, ACM, New York, NY, USA, (2009)