@article{optimaldrsubmodularmaximizationand,
  title = {Optimal DR-Submodular Maximization and Applications to Provable Mean Field Inference},
  author = {An Bian and Joachim M. Buhmann and Andreas Krause},
  year = {2018},
  eprint = {1805.07482},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1805.07482v2},
}