Unit Testing for Concepts in Neural Networks Charles Lovering author Ellie Pavlick author 2022 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal lovering-pavlick-2022-unit 10.1162/tacl_a_00514 https://aclanthology.org/2022.tacl-1.69/ 2022 10 1193 1208