@inproceedings{semisupervisedeigenvectorsforlocally,
  title = {Semi-supervised Eigenvectors for Locally-biased Learning},
  author = {Toke Hansen and Michael W. Mahoney},
  year = {2012},
  booktitle = {NeurIPS 2012 12},
  url = {http://papers.nips.cc/paper/4560-semi-supervised-eigenvectors-for-locally-biased-learning},
}