@InProceedings{eisner:2000:SIGPHON,
  author    = {Jason Eisner},
  title     = {Easy and Hard Constraint Ranking in {OT}: Algorithms and Complexity},
  booktitle = {Proceedings of the Fifth Workshop of the ACL Special Interest Group in Computational Phonology},
  month     = {August},
  year      = {2000},
  address   = {Centre Universitaire, Luxembourg},
  publisher = {International Committee on Computational Linguistics},
  pages     = {22--33},
  url       = {http://www.aclweb.org/anthology/W00-1803}
}