文本情感分析中的重叠现象研究(A Study on Repetition in Text-based Sentiment Analysis) Tuya Naren author Xiaoyin Xu author 2020-10 text zho Proceedings of the 19th Chinese National Conference on Computational Linguistics Maosong Sun editor Sujian Li editor Yue Zhang editor Yang Liu editor Chinese Information Processing Society of China Haikou, China conference publication naren-xu-2020-wen https://aclanthology.org/2020.ccl-1.61/ 2020-10 656 666