F. Liu, C. Yu, and W. Meng. CIKM '02: Proceedings of the eleventh international conference on Information and knowledge management, page 558--565. New York, NY, USA, ACM Press, (2002)
R. Budiu, P. Pirolli, and M. Fleetwood. AVI '06: Proceedings of the working conference on Advanced visual interfaces, page 457--462. New York, NY, USA, ACM Press, (2006)
O. Boydell, and B. Smyth. IUI '07: Proceedings of the 12th international conference on Intelligent user interfaces, page 42--51. New York, NY, USA, ACM Press, (2007)
E. Brown, T. Brailsford, T. Fisher, A. Moore, and H. Ashman. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 327--335. New York, NY, USA, ACM Press, (2006)
B. Davison. HYPERTEXT '02: Proceedings of the thirteenth ACM conference on Hypertext and hypermedia, page 159--168. New York, NY, USA, ACM Press, (2002)
A. Das, M. Datar, A. Garg, and S. Rajaram. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 271--280. New York, NY, USA, ACM Press, (2007)
Z. Dou, R. Song, and J. Wen. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 581--590. New York, NY, USA, ACM Press, (2007)
Y. Xu, K. Wang, B. Zhang, and Z. Chen. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 591--600. New York, NY, USA, ACM Press, (2007)