PeTra: A Sparsely Supervised Memory Model for People Tracking Shubham Toshniwal author Allyson Ettinger author Kevin Gimpel author Karen Livescu 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 toshniwal-etal-2020-petra 10.18653/v1/2020.acl-main.481 https://aclanthology.org/2020.acl-main.481/ 2020-07 5415 5428