@article{structuredconvexoptimizationunder,
  title = {Structured Convex Optimization under Submodular Constraints},
  author = {Kiyohito Nagano and Yoshinobu Kawahara},
  year = {2013},
  eprint = {1309.6850},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1309.6850v1},
}