@inproceedings{braun-etal-2017-evaluating, title = "Evaluating Natural Language Understanding Services for Conversational Question Answering Systems", author = "Braun, Daniel and Hernandez Mendez, Adrian and Matthes, Florian and Langen, Manfred", editor = "Jokinen, Kristiina and Stede, Manfred and DeVault, David and Louis, Annie", booktitle = "Proceedings of the 18th Annual {SIG}dial Meeting on Discourse and Dialogue", month = aug, year = "2017", address = {Saarbr{\"u}cken, Germany}, publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W17-5522/", doi = "10.18653/v1/W17-5522", pages = "174--185" }