@article{JMLR:v14:angluin13a,
  author  = {Dana Angluin and James Aspnes and Sarah Eisenstat and Aryeh Kontorovich},
  title   = {On the Learnability of Shuffle Ideals},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {11},
  pages   = {1513--1531},
  url     = {http://jmlr.org/papers/v14/angluin13a.html}
}