Searching for Legal Documents at Paragraph Level: Automating Label Generation and Use of an Extended Attention Mask for Boosting Neural Models of Semantic Similarity Li Tang author Simon Clematide author 2021-11 text Proceedings of the Natural Legal Language Processing Workshop 2021 Nikolaos Aletras editor Ion Androutsopoulos editor Leslie Barrett editor Catalina Goanta editor Daniel Preotiuc-Pietro editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication tang-clematide-2021-searching 10.18653/v1/2021.nllp-1.12 https://aclanthology.org/2021.nllp-1.12/ 2021-11 114 122