M. Hu, E. Lim, A. Sun, H. Lauw, and B. Vuong. Proceedings of the sixteenth ACM conference on Conference on information and knowledge management, page 243--252. New York, NY, USA, ACM, (2007)
M. Hu, E. Lim, A. Sun, H. Lauw, and B. Vuong. Proceedings of the Sixteenth ACM Conference on Conference on Information and Knowledge Management, page 243--252. New York, NY, USA, ACM, (2007)
M. Hu, E. Lim, A. Sun, H. Lauw, and B. Vuong. Proceedings of the Sixteenth ACM Conference on Conference on Information and Knowledge Management, page 243--252. New York, NY, USA, ACM, (2007)