@InProceedings{ballard:1988:ACL,
  author    = {Bruce W. Ballard},
  title     = {A General Computational Treatment of Comparatives for Natural Language Question Answering},
  booktitle = {Proceedings of the 26th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1988},
  address   = {Buffalo, New York, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {41--48},
  url       = {http://www.aclweb.org/anthology/P88-1006},
  doi       = {10.3115/982023.982029}
}