S. Baluja, D. Ravichandran, and D. Sivakumar. Proceeding of the International Conference on Knowledge Discovery and Information Retrieval (KDIR 2009), INSTICC, (6-8 10 2009)
S. Bloehdorn, and A. Hotho. Proceedings of the 4th IEEE International Conference on Data Mining (ICDM 2004), 1-4 November 2004, Brighton, UK, page 331-334. IEEE Computer Society, (November 2004)
M. Kollingbaum, and T. Norman. Proc. of the First International Joint Conference on Autonomous Agents and Multi-Agent Systems, page 272-279. ACM Press, (2002)