@InProceedings{litkowski:2002:ACL02-WSD,
  author    = {Kenneth C. Litkowski},
  title     = {Digraph Analysis of Dictionary Preposition definition},
  booktitle = {Proceedings of the ACL-02 Workshop on Word Sense Disambiguation: Recent Successes and Future Directions},
  month     = {July},
  year      = {2002},
  publisher = {Association for Computational Linguistics},
  pages     = {9--16},
  url       = {http://www.aclweb.org/anthology/W02-0802},
  doi       = {10.3115/1118675.1118677}
}