Loh, S., 		Lichtnow, D., 		Saldaña, R., 		Borges, T., 		Primo, T., 		Kickhöfel, R., & 		Simões, G.
2004 Jul 31.  Investigation into the Identification of Topics in Chat Messages. Proceedings of the Brazilian Symposium in Information and Human Language Technology (STIL). [Online] :