Shorten the Long Tail for Rare Entity and Event Extraction Pengfei Yu author Heng Ji author 2023-05 text Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics Andreas Vlachos editor Isabelle Augenstein editor Association for Computational Linguistics Dubrovnik, Croatia conference publication yu-ji-2023-shorten 10.18653/v1/2023.eacl-main.97 https://aclanthology.org/2023.eacl-main.97/ 2023-05 1339 1350