ANU-CSIRO at MEDIQA 2019: Question Answering Using Deep Contextual Knowledge Vincent Nguyen author Sarvnaz Karimi author Zhenchang Xing author 2019-08 text Proceedings of the 18th BioNLP Workshop and Shared Task Dina Demner-Fushman editor Kevin Bretonnel Cohen editor Sophia Ananiadou editor Junichi Tsujii editor Association for Computational Linguistics Florence, Italy conference publication nguyen-etal-2019-anu 10.18653/v1/W19-5051 https://aclanthology.org/W19-5051/ 2019-08 478 487