Semantics-based Graph Approach to Complex Question-Answering Tomasz Jurczyk author Jinho D Choi author 2015-06 text Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Student Research Workshop Diana Inkpen editor Smaranda Muresan editor Shibamouli Lahiri editor Karen Mazidi editor Alisa Zhila editor Association for Computational Linguistics Denver, Colorado conference publication jurczyk-choi-2015-semantics 10.3115/v1/N15-2019 https://aclanthology.org/N15-2019/ 2015-06 140 146