K. Sugiyama, K. Hatano, и M. Yoshikawa. WWW '04: Proceedings of the 13th international conference on World Wide Web, стр. 675--684. New York, NY, USA, ACM Press, (2004)
K. Sugiyama, K. Hatano, и M. Yoshikawa. WWW '04: Proceedings of the 13th international conference on World Wide Web, стр. 675--684. New York, NY, USA, ACM Press, (2004)