@article{personalizedpagerankestimationandsearcha,
  title = {Personalized PageRank Estimation and Search: A Bidirectional Approach},
  author = {Peter Lofgren and Siddhartha Banerjee and Ashish Goel},
  year = {2015},
  eprint = {1507.05999},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1507.05999v3},
}