I. Dhillon, S. Mallela, and D. Modha. Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining, page 89--98. New York, NY, USA, ACM, (2003)
I. Dhillon. Proceedings of the seventh ACM SIGKDD international conference on Knowledge discovery and data mining, page 269--274. New York, NY, USA, ACM, (2001)
L. Fei-Fei, and P. Perona. Computer Vision and Pattern Recognition, 2005. CVPR 2005. IEEE Computer Society Conference on, 2, page 524--531. IEEE, (2005)