Pattern Dictionary of English Prepositions Ken Litkowski author 2014-06 text Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Kristina Toutanova editor Hua Wu editor Association for Computational Linguistics Baltimore, Maryland conference publication litkowski-2014-pattern 10.3115/v1/P14-1120 https://aclanthology.org/P14-1120/ 2014-06 1274 1283