J. Parreira, D. Donato, C. Castillo, and G. Weikum. AIRWeb '07: Proceedings of the 3rd international workshop on Adversarial information retrieval on the web, page 73--80. New York, NY, USA, ACM Press, (2007)
B. Adler, and L. de Alfaro. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 261-270. New York, NY, USA, ACM Press, (2007)
J. Zhang, M. Ackerman, and L. Adamic. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 221--230. New York, NY, USA, ACM Press, (2007)
H. Wu, M. Zubair, and K. Maly. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, page 111--114. New York, NY, USA, ACM, (2006)
A. Kritikopoulos, M. Sideri, and I. Varlamis. Proceedings of the 2nd international workshop on Advanced architectures and algorithms for internet delivery and applications, (2006)