@inproceedings{submodularmultilabellearning,
  title = {Submodular Multi-Label Learning},
  author = {James Petterson and Tibério S. Caetano},
  year = {2011},
  booktitle = {NeurIPS 2011 12},
  url = {http://papers.nips.cc/paper/4239-submodular-multi-label-learning},
}