Text-Based Ideal Points Keyon Vafa author Suresh Naidu author David Blei author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication vafa-etal-2020-text 10.18653/v1/2020.acl-main.475 https://aclanthology.org/2020.acl-main.475/ 2020-07 5345 5357