@InProceedings{karttunen:2015:ExProM,
  author    = {Karttunen, Lauri},
  title     = {Limits of Natural Logic},
  booktitle = {Proceedings of the Second Workshop on Extra-Propositional Aspects of Meaning in Computational Semantics (ExProM 2015)},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {1--1},
  url       = {http://www.aclweb.org/anthology/W15-1306}
}