Analysis of public emotion evolution based on probabilistic latent semantic analysis
LIN Jianghao, ZHOU Yongmei, YANG Aimin, CHEN Yuhong, CHEN Xiaofan
Journal of Computer Applications . 2015, (10): 2747 -2751 .  DOI: 10.11772/j.issn.1001-9081.2015.10.2747

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