TPLinker: Single-stage Joint Extraction of Entities and Relations Through Token Pair Linking Yucheng Wang author Bowen Yu author Yueyang Zhang author Tingwen Liu author Hongsong Zhu author Limin Sun author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication wang-etal-2020-tplinker 10.18653/v1/2020.coling-main.138 https://aclanthology.org/2020.coling-main.138/ 2020-12 1572 1582