Natural Language Understanding Wiki

From Zapirain et al. (2013)[1]"Preposition Project (Litkowski and Hargraves 2005[2]; Litkowski and Hargraves 2006[3]) is an effort that produced a detailed sense inventory for English prepositions, which was later used in a preposition sense disambiguation task at SemEval-2007 (Litkowski and Hargraves 2007)[4]."


  1. Zapirain, Benat, et al. "Selectional preferences for semantic role classification." Computational Linguistics 39.3 (2013): 631-663.
  2. Litkowski, K. C. and O. Hargraves. 2005. The preposition project. In Proceedings of the ACL-SIGSEM Workshop on the Linguistic Dimensions of Prepositions and their Use in Computational Linguistic Formalisms and Applications, pages 171–179, Colchester.
  3. Litkowski, Ken and Orin Hargraves. 2006. Coverage and inheritance in the preposition project. In Prepositions '06: Proceedings of the Third ACL-SIGSEM Workshop on Prepositions, pages 37–44, Trento
  4. Litkowski, K. C. and O. Hargraves. 2007. SemEval-2007 Task 06: Word-sense disambiguation of prepositions. In Proceedings of the 4th International Workshop on Semantic Evaluations (SemEval-2007), pages 24–29, Prague.