Cross-situational word learning:

Afsaneh Fazly, Afra Alishahi and Suzanne Stevenson (2008). A probabilistic incremental model of word learning in the presence of referential uncertainty. Proceedings of the 30th Annual Conference of the Cognitive Science Society, Washington, D.C. [pdf]

Using syntactic categories:

Afra Alishahi and Afsaneh Fazly (2010). Integrating Syntactic Knowledge into a Model of Cross-situational Word Learning. Proceedings of the 32nd Annual Conference of the Cognitive Science Society, Portland, Oregon. [pdf]

Using social cues:

Frank, M. C., Goodman, N. D., & Tenenbaum, J. B. (2009). Using speakers’ referential intentions to model early cross-situational word learning. Psychological Science, 20, 579-585. [pdf]