Syntactic and Semantic Factors in Processing Difficulty: An Integrated Measure Jeff Mitchell author Mirella Lapata author Vera Demberg author Frank Keller author 2010-07 text Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics Jan Hajič editor Sandra Carberry editor Stephen Clark editor Joakim Nivre editor Association for Computational Linguistics Uppsala, Sweden conference publication mitchell-etal-2010-syntactic https://aclanthology.org/P10-1021/ 2010-07 196 206