Y. Yamaguchi, T. Takahashi, T. Amagasa, and H. Kitagawa. Web Information Systems Engineering – WISE 2010, volume 6488 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2010)
E. Bakshy, I. Rosenn, C. Marlow, and L. Adamic. Proceedings of the 21st international conference on World Wide Web, page 519--528. New York, NY, USA, ACM, (2012)
C. Castillo, M. Mendoza, and B. Poblete. Proceedings of the 20th international conference on World wide web, page 675--684. New York, NY, USA, ACM, (2011)
M. Pennacchiotti, and A. Popescu. Proceedings of the 17th ACM SIGKDD international conference on Knowledge discovery and data mining, page 430--438. New York, NY, USA, ACM, (2011)