J. Huang, Z. Zhuang, J. Li, and C. Giles. Proceedings of the 2008 International Conference on Web Search and Data Mining, page 107--116. New York, NY, USA, ACM, (2008)
Q. He, D. Kifer, J. Pei, P. Mitra, and C. Giles. Proceedings of the fourth ACM international conference on Web search and data mining, page 755--764. New York, NY, USA, ACM, (2011)
S. Lawrence, K. Bollacker, and C. Giles. Proceedings of the eighth international conference on Information and knowledge management, page 139--146. New York, NY, USA, ACM, (1999)
X. Zhang, Y. Qu, C. Giles, and P. Song. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 677--680. New York, NY, USA, ACM, (2008)