T. Takahashi, und H. Kitagawa. WAIM '08: Proceedings of the 2008 The Ninth International Conference on Web-Age Information Management, Seite 25--30. Washington, DC, USA, IEEE Computer Society, (2008)
B. Evans, und E. Chi. CSCW '08: Proceedings of the ACM 2008 conference on Computer supported cooperative work, Seite 485--494. New York, NY, USA, ACM, (2008)
P. Heymann, G. Koutrika, und H. Garcia-Molina. WSDM '08: Proceedings of the international conference on Web search and web data mining, Seite 195--206. New York, NY, USA, ACM, (2008)
Y. Yanbe, A. Jatowt, S. Nakamura, und K. Tanaka. JCDL '07: Proceedings of the 2007 conference on Digital libraries, Seite 107--116. New York, NY, USA, ACM Press, (2007)
M. Coyle, und B. Smyth. IUI '07: Proceedings of the 12th international conference on Intelligent user interfaces, Seite 282--285. New York, NY, USA, ACM Press, (2007)