Amir Zadeh editor Louis-Philippe Morency editor Paul Pu Liang editor Candace Ross editor Ruslan Salakhutdinov editor Soujanya Poria editor Erik Cambria editor Kelly Shi editor 2021-06 Association for Computational Linguistics Mexico City, Mexico text conference publication maiworkshop-2021-multimodal https://aclanthology.org/2021.maiworkshop-1.0/