Symbol and Communicative Grounding through Object Permanence with a Mobile Robot Josue Torres-Fonseca author Catherine Henry author Casey Kennington author 2022-09 text Proceedings of the 23rd Annual Meeting of the Special Interest Group on Discourse and Dialogue Oliver Lemon editor Dilek Hakkani-Tur editor Junyi Jessy Li editor Arash Ashrafzadeh editor Daniel Hernández Garcia editor Malihe Alikhani editor David Vandyke editor Ondřej Dušek editor Association for Computational Linguistics Edinburgh, UK conference publication torres-foncesca-etal-2022-symbol 10.18653/v1/2022.sigdial-1.14 https://aclanthology.org/2022.sigdial-1.14/ 2022-09 124 134