@article{13:77,author={Michael W. Mahoney and Lorenzo Orecchia and Nisheeth K. Vishnoi}, Title={A Local Spectral Method for Graphs: With Applications to Improving Graph Partitions and Exploring Data Graphs Locally},journal={Journal of Machine Learning Research},volume={13}, url={http://www.jmlr.org/papers/volume13/mahoney12a/mahoney12a.pdf}}