@article{3:43,author={Kobus Barnard and Pinar Duygulu and David Forsyth and Nando de Freitas,David M. Blei and Michael I. Jordan}, Title={Matching Words and Pictures},journal={Journal of Machine Learning Research},volume={3}, url={http://www.jmlr.org/papers/volume3/cancedda03a/cancedda03a.pdf}}