Which parts of speech are more susceptible to topic variations: a case of Japanese authorship analysis 論文 Wataru Zaitsu・Mingzhe Jin・Shunichi Ishihara・Satoru Tsuge・Mitsuyuki Inaba ·2025-05-28 ·『Behaviormetrika』 52(2) pp. 721-732 doi:10.1007/s41237-025-00261-w