@InProceedings{johnson-EtAl:2015:NAACL-HLT,
  author    = {Johnson, Mark  and  Pater, Joe  and  Staubs, Robert  and  Dupoux, Emmanuel},
  title     = {Sign constraints on feature weights improve a joint model of word segmentation and phonology},
  booktitle = {Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {May--June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {303--313},
  url       = {http://www.aclweb.org/anthology/N15-1034}
}