Graph based Neural Networks for Event Factuality Prediction using Syntactic and Semantic Structures Amir Pouran Ben Veyseh author Thien Huu Nguyen author Dejing Dou author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication pouran-ben-veyseh-etal-2019-graph 10.18653/v1/P19-1432 https://aclanthology.org/P19-1432/ 2019-07 4393 4399