@article{5125, title = {Fast Projection-based Methods for the Least Squares Nonnegative Matrix Approximation Problem}, author = {Kim, D. and Sra, S. and Dhillon, I.}, journal = {Statistical Analysis and Data Mining}, volume = {1}, number = {1}, pages = {38-51}, organization = {Max-Planck-Gesellschaft}, school = {Biologische Kybernetik}, month = feb, year = {2008}, doi = {10.1002/sam.104}, month_numeric = {2} }