Categorical Metadata Representation for Customized Text Classification Jihyeok Kim author Reinald Kim Amplayo author Kyungjae Lee author Sua Sung author Minji Seo author Seung-won Hwang author 2019 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal kim-etal-2019-categorical 10.1162/tacl_a_00263 https://aclanthology.org/Q19-1013/ 2019 7 201 215