Requesting clarifications with speech and gestures Jonathan Ginzburg author Andy Luecking author 2021-06 text Proceedings of the 1st Workshop on Multimodal Semantic Representations (MMSR) Lucia Donatelli editor Nikhil Krishnaswamy editor Kenneth Lai editor James Pustejovsky editor Association for Computational Linguistics Groningen, Netherlands (Online) conference publication ginzburg-luecking-2021-requesting https://aclanthology.org/2021.mmsr-1.3/ 2021-06 21 31