Law Retrieval with Supervised Contrastive Learning Using the Hierarchical Structure of Law Jungmin Choi author Ukyo Honda author Taro Watanabe author Hiroki Ouchi author Kentaro Inui author 2022-10 text Proceedings of the 36th Pacific Asia Conference on Language, Information and Computation Shirley Dita editor Arlene Trillanes editor Rochelle Irene Lucas editor Association for Computational Linguistics Manila, Philippines conference publication choi-etal-2022-law https://aclanthology.org/2022.paclic-1.65/ 2022-10 590 599