@InProceedings{ICML2011Nagano_506,
  author =    {Kiyohito Nagano and Yoshinobu Kawahara and Kazuyuki Aihara},
  title =     {Size-constrained Submodular Minimization through Minimum Norm Base},
  booktitle = {Proceedings of the 28th International Conference on Machine Learning (ICML-11)},
  series =    {ICML '11},
  year =      {2011},
  editor =    {Lise Getoor and Tobias Scheffer},
  location =  {Bellevue, Washington, USA},
  isbn =      {978-1-4503-0619-5},
  month =     {June},
  publisher = {ACM},
  address =   {New York, NY, USA},
  pages=      {977--984},
}