Latent Compositional Representations Improve Systematic Generalization in Grounded Question Answering Ben Bogin author Sanjay Subramanian author Matt Gardner author Jonathan Berant author 2021 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal bogin-etal-2021-latent 10.1162/tacl_a_00361 https://aclanthology.org/2021.tacl-1.12/ 2021 9 195 210