@article{comprehenddeepwalkasmatrixfactorization,
  title = {Comprehend DeepWalk as Matrix Factorization},
  author = {Cheng Yang and Zhiyuan Liu},
  year = {2015},
  eprint = {1501.00358},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1501.00358v1},
}