中文关系抽取的句级语言学特征探究(A Probe into the Sentence-level Linguistic Features of Chinese Relation Extraction) Baixi Xing author Jishun Zhao author Pengyuan Liu author 2021-08 text zho Proceedings of the 20th Chinese National Conference on Computational Linguistics Sheng Li editor Maosong Sun editor Yang Liu editor Hua Wu editor Kang Liu editor Wanxiang Che editor Shizhu He editor Gaoqi Rao editor Chinese Information Processing Society of China Huhhot, China conference publication xing-etal-2021-zhong https://aclanthology.org/2021.ccl-1.58/ 2021-08 643 654