Enhancing Ontology Knowledge for Domain-Specific Joint Entity and Relation Extraction Xiong Xiong author Wang Chen author Liu Yunfei author Li Shengyang author 2023-08 text eng Proceedings of the 22nd Chinese National Conference on Computational Linguistics Maosong Sun editor Bing Qin editor Xipeng Qiu editor Jing Jiang editor Xianpei Han editor Chinese Information Processing Society of China Harbin, China conference publication xiong-etal-2023-enhancing https://aclanthology.org/2023.ccl-1.61/ 2023-08 713 725