Meaningfulness and unit of Zipf’s law: evidence from danmu comments Zhou Yihan author 2021-08 text eng 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 yihan-2021-meaningfulness https://aclanthology.org/2021.ccl-1.93/ 2021-08 1046 1057