Evaluating Natural Language Understanding Services for Conversational Question Answering Systems Daniel Braun author Adrian Hernandez Mendez author Florian Matthes author Manfred Langen author 2017-08 text Proceedings of the 18th Annual SIGdial Meeting on Discourse and Dialogue Kristiina Jokinen editor Manfred Stede editor David DeVault editor Annie Louis editor Association for Computational Linguistics Saarbrücken, Germany conference publication braun-etal-2017-evaluating 10.18653/v1/W17-5522 https://aclanthology.org/W17-5522/ 2017-08 174 185