@article{3:31,author={Prasanth B. Nair and Arindam Choudhury and Andy J. Keane}, Title={Some Greedy Learning Algorithms for Sparse Regression and Classification with Mercer Kernels},journal={Journal of Machine Learning Research},volume={3}, url={http://www.jmlr.org/papers/volume3/marchand02a/marchand02a.pdf}}