@article{convexifiedmodularitymaximizationfor,
  title = {Convexified Modularity Maximization for Degree-corrected Stochastic Block Models},
  author = {Yudong Chen and Xiao-Dong Li and Jiaming Xu},
  year = {2015},
  eprint = {1512.08425},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1512.08425v2},
}