@article{JMLR:v9:krause08b,
  author  = {Andreas Krause and H. Brendan McMahan and Carlos Guestrin and Anupam Gupta},
  title   = {Robust Submodular Observation Selection},
  journal = {Journal of Machine Learning Research},
  year    = {2008},
  volume  = {9},
  number  = {93},
  pages   = {2761--2801},
  url     = {http://jmlr.org/papers/v9/krause08b.html}
}