Using Neural Machine Translation for Generating Diverse Challenging Exercises for Language Learner Frank Palma Gomez author Subhadarshi Panda author Michael Flor author Alla Rozovskaya author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication palma-gomez-etal-2023-using 10.18653/v1/2023.acl-long.337 https://aclanthology.org/2023.acl-long.337/ 2023-07 6115 6129