@inproceedings{Lee+etal09:expSparseCoding, title = {Exponential Family Sparse Coding with Applications to Self-taught Learning}, author = {Lee, Honglak and Raina, Rajat and Teichman, Alex and Ng, Andrew Y.}, booktitle = {Proceedings of the 21st international Joint Conference on Artifical Intelligence (IJCAI)}, year = {2009}, pages = {1113--1119}, }