@article{JMLR:v8:chhabra07a,
  author  = {Manu Chhabra and Robert A. Jacobs and Daniel Štefankovič},
  title   = {Behavioral Shaping for Geometric Concepts},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {64},
  pages   = {1835--1865},
  url     = {http://jmlr.org/papers/v8/chhabra07a.html}
}