Online Latent Dirichlet Allocation Model Based on Sentiment Polarity Time SeriesBo HUANG, Jiaji JU, Huan CHEN, Yimin ZHU, Jin LIU and Zhicai SHIWuhan Univ. J. Nat. Sci., 26 6 (2021) 464-472DOI: https://doi.org/10.1051/wujns/2021266464