A. Plangprasopchok, K. Lerman, and L. Getoor. Proceedings of the 16th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, page 949--958. New York, NY, USA, ACM, (2010)
K. Liu, B. Fang, and W. Zhang. Proceedings of the 19th ACM International Conference on Information and Knowledge Management, page 1109--1118. New York, NY, USA, ACM, (2010)