ProLex: A Benchmark for Language Proficiency-oriented Lexical Substitution Xuanming Zhang author Zixun Chen author Zhou Yu author 2024-08 text Findings of the Association for Computational Linguistics: ACL 2024 Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication zhang-etal-2024-prolex 10.18653/v1/2024.findings-acl.502 https://aclanthology.org/2024.findings-acl.502/ 2024-08 8475 8493