@inproceedings{submodularoptimizationwithsubmodularcove,
  title = {Submodular Optimization with Submodular Cover and Submodular Knapsack Constraints},
  author = {Rishabh Iyer and Jeff Bilmes},
  year = {2013},
  booktitle = {NeurIPS 2013},
  eprint = {1311.2106},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1311.2106v1},
}