@article{3:50,author={Inderjit S. Dhillon and Subramanyam Mallela and Rahul Kumar}, Title={A Divisive Information-Theoretic Feature Clustering Algorithm for Text Classification
(Kernel Machines Section)},journal={Journal of Machine Learning Research},volume={3}, url={http://www.jmlr.org/papers/volume3/bi03a/bi03a.pdf}}