Computational Constancy Measures of Texts—Yule’s K and Rényi’s Entropy Kumiko Tanaka-Ishii author Shunsuke Aihara author 2015-09 text journal article Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal tanaka-ishii-aihara-2015-computational 10.1162/COLI_a_00228 https://aclanthology.org/J15-3004/ 2015-09 41 3 481 502