@article{learningpseudobooleankdnfandsubmodular,
  title = {Learning pseudo-Boolean k-DNF and Submodular Functions},
  author = {Sofya Raskhodnikova and Grigory Yaroslavtsev},
  year = {2012},
  eprint = {1208.2294},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1208.2294v1},
}