Learning to Stop: A Simple yet Effective Approach to Urban Vision-Language Navigation Jiannan Xiang author Xin Wang author William Yang Wang author 2020-11 text Findings of the Association for Computational Linguistics: EMNLP 2020 Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication xiang-etal-2020-learning 10.18653/v1/2020.findings-emnlp.62 https://aclanthology.org/2020.findings-emnlp.62/ 2020-11 699 707