A Context Free TAG Variant Ben Swanson author Elif Yamangil author Eugene Charniak author Stuart Shieber author 2013-08 text Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Hinrich Schuetze editor Pascale Fung editor Massimo Poesio editor Association for Computational Linguistics Sofia, Bulgaria conference publication swanson-etal-2013-context https://aclanthology.org/P13-1030/ 2013-08 302 310