How Much Do Language Models Copy From Their Training Data? Evaluating Linguistic Novelty in Text Generation Using RAVEN R Thomas McCoy author Paul Smolensky author Tal Linzen author Jianfeng Gao author Asli Celikyilmaz author 2023 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal mccoy-etal-2023-much 10.1162/tacl_a_00567 https://aclanthology.org/2023.tacl-1.38/ 2023 11 652 670