J. Wu, K. Williams, H. Chen, M. Khabsa, C. Caragea, A. Ororbia, D. Jordan, and C. Giles. Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence and the Twenty-Sixth Innovative Applications of Artificial Intelligence Conference, Québec, Canada, page 2930--2937. Association for the Advancement of Artificial Intelligence, (July 2014)
G. Xue, H. Zeng, Z. Chen, Y. Yu, W. Ma, W. Xi, and W. Fan. CIKM '04: Proceedings of the thirteenth ACM international conference on Information and knowledge management, page 118--126. New York, NY, USA, ACM, (2004)
G. Xue, H. Zeng, Z. Chen, Y. Yu, W. Ma, W. Xi, and W. Fan. CIKM '04: Proceedings of the thirteenth ACM international conference on Information and knowledge management, page 118--126. New York, NY, USA, ACM, (2004)
Y. Yanbe, A. Jatowt, S. Nakamura, and K. Tanaka. JCDL '07: Proceedings of the 7th ACM/IEEE-CS Joint Conference on Digital Libraries, page 107--116. New York, NY, USA, ACM, (2007)
B. Yu, and M. Singh. Cooperative Information Agents IV - The Future of Information Agents in Cyberspace, volume 1860 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2000)
B. Yu, and M. Singh. Proceedings of the second international joint conference on Autonomous agents and multiagent systems, page 65--72. New York, NY, USA, ACM, (2003)