223 Research on the Collaborative Model of Sentiment Analysis and Topic Mining of Micro-blogging Users in the Context of COVID-19 Hot! Wang Xiwei, Li Yueqi, Liu Tingyan, Zhang Liu DOI: 10.3772/j.issn.1000-0135.2021.03.001 2021 Vol. 40 (3): 223-233 [Abstract] ( 366 ) HTML (119 KB)  PDF (3691 KB)  ( 1159 )

234 Research on the Topic Clustering Graph and the Transmission Path of Micro-blogging Users amid COVID-19 Based on the LDA Model Hot! Zhang Liu, Wang Xiwei, Huang Bo, Liu Tingyan DOI: 10.3772/j.issn.1000-0135.2021.03.002 2021 Vol. 40 (3): 234-244 [Abstract] ( 298 ) HTML (120 KB)  PDF (6331 KB)  ( 962 )

245 Research on the Characteristics of the Participants of Information Dissemination during the COVID-19 Pandemic —A Case Study of “Diamond Princess” Hot! Wang Xiwei, Jia Ruonan, Liu Tingyan, Zhang Liu DOI: 10.3772/j.issn.1000-0135.2021.03.003 2021 Vol. 40 (3): 245-255 [Abstract] ( 321 ) HTML (104 KB)  PDF (9185 KB)  ( 298 )

256 An Evaluation of the Knowledge Exchange Efficiency of an Academic Virtual Community Based on a Three-Stage DEA Model Hot! Yang Ruixian, Huang Shurui, Yu Zhengjie DOI: 10.3772/j.issn.1000-0135.2021.03.004 2021 Vol. 40 (3): 256-266 [Abstract] ( 212 ) HTML (168 KB)  PDF (1715 KB)  ( 520 )

267 Evaluation of Patents' Cumulative Impact Based on all Generations of Citations: A Case Study of a Nobel Prize Winner's Patents Hot! Kang Xudong, Deng Lele, Wang Yukai, Yang Zhongkai DOI: 10.3772/j.issn.1000-0135.2021.03.005 2021 Vol. 40 (3): 267-277 [Abstract] ( 272 ) HTML (139 KB)  PDF (4349 KB)  ( 471 )

278 An Improved Similarity Measurement Model for Chinese Short Texts Based on Weighted Network Hot! Niu Fenggao, Gao Xuxia DOI: 10.3772/j.issn.1000-0135.2021.03.006 2021 Vol. 40 (3): 278-285 [Abstract] ( 261 ) HTML (136 KB)  PDF (1678 KB)  ( 587 )

286 Artificial Intelligence Technology: Novel Strategy for Patent Dataset Creation Based on Machine Learning Hot! Chen Yue, Song Kai, Liu Anrong, Cao Xiaoyang DOI: 10.3772/j.issn.1000-0135.2021.03.007 2021 Vol. 40 (3): 286-296 [Abstract] ( 446 ) HTML (116 KB)  PDF (3947 KB)  ( 690 )

297 Analysis Framework for the Evolution of Scientific Themes from a Multi-Dimensional Perspective Hot! Wang Kang, Chen Yue, Su Cheng, Zhao Xiaoyuan DOI: 10.3772/j.issn.1000-0135.2021.03.008 2021 Vol. 40 (3): 297-307 [Abstract] ( 243 ) HTML (137 KB)  PDF (5974 KB)  ( 497 )

308 Study of User Information Requirements in an Online Health Community Based on the Distribution of User Profile and Theme Features: Taking Colorectal Cancer Data from YiXiang as an Example Hot! Sheng Shu, Huang Qi, Zheng Shuya, Yang Yang, Xie Qiwen, Zhang Ge, Qin Xinguo DOI: 10.3772/j.issn.1000-0135.2021.03.009 2021 Vol. 40 (3): 308-320 [Abstract] ( 409 ) HTML (157 KB)  PDF (3037 KB)  ( 899 )

321 Development and Innovation of Information Science in the Era of Artificial Intelligence: From the Perspective of Information Communication Theory Hot! Ding Botao DOI: 10.3772/j.issn.1000-0135.2021.03.010 2021 Vol. 40 (3): 321-332 [Abstract] ( 454 ) HTML (119 KB)  PDF (1896 KB)  ( 1108 )