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浏览/检索结果: 共7条，第1-7条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Public Opinions and Concerns Regarding the Canadian Prime Minister's Daily COVID-19 Briefing: Longitudinal Study of YouTube Comments Using Machine Learning Techniques 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2021, 卷号: 23, 期号: 2, 页码: 12 作者:  Zheng, Chengda;  Xue, Jia;  Sun, Yumin;  Zhu, Tingshao 收藏  |  浏览/下载：22/0  |  提交时间：2021/04/19 Canada  PM Trudeau  YouTube  machine learning  big data  infodemiology  infodemic  public concerns  communication  concern  social media  video   Twitter Discussions and Emotions About the COVID-19 Pandemic: Machine Learning Approach 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2020, 卷号: 22, 期号: 11, 页码: 14 作者:  Xue, Jia;  Chen, Junxiang;  Hu, Ran;  Chen, Chen;  Zheng, Chengda 收藏  |  浏览/下载：22/0  |  提交时间：2021/03/01 machine learning  Twitter data  COVID-19  infodemic  infodemiology  infoveillance  public discussion  public sentiment  Twitter  social media  virus   The COVID-19 Infodemic: Infodemiology Study Analyzing Stigmatizing Search Terms 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2020, 卷号: 22, 期号: 11, 页码: 16 作者:  Hu, Zhiwen;  Yang, Zhongliang;  Li, Qi;  Zhang, An 收藏  |  浏览/下载：36/0  |  提交时间：2021/03/15 infodemiology  COVID-19  infodemic  social contagion  collective perceptual biases  collective behavioral propensities  social mobilization   The Hidden Pandemic of Family Violence During COVID-19: Unsupervised Learning of Tweets 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2020, 卷号: 22, 期号: 11, 页码: 11 作者:  Xue, Jia;  Chen, Junxiang;  Chen, Chen;  Hu, Ran;  Zhu, Tingshao 收藏  |  浏览/下载：19/0  |  提交时间：2020/12/28 Twitter  family violence  COVID-19  machine learning  big data  infodemiology  infoveillance   Understanding Users' Vaping Experiences from Social Media: Initial Study Using Sentiment Opinion Summarization Techniques 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2018, 卷号: 20, 期号: 8 作者:  Li, Qiudan;  Wang, Can;  Liu, Ruoran;  Wang, Lei;  Zeng, Daniel Dajun 收藏  |  浏览/下载：62/0  |  提交时间：2018/10/10 Electronic Nicotine Delivery Systems  E-cigarette  E-liquid  Juicedb  Sentiment Opinion Summarization  Social Media  Vaping  Infodemiology   Identifying Topics for E-Cigarette User-Generated Contents: A Case Study From Multiple Social Media Platforms 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2017, 卷号: 19, 期号: 1, 页码: 194-209 作者:  Zhan, Yongcheng;  Liu, Ruoran;  Li, Qiudan;  Leischow, Scott James;  Zeng, Daniel Dajun 收藏  |  浏览/下载：51/0  |  提交时间：2017/05/05 electronic cigarettes  topic modeling  Latent Dirichlet Allocation  social media  infodemiology   Tracking Dabbing Using Search Query Surveillance: A Case Study in the United States 期刊论文 JOURNAL OF MEDICAL INTERNET RESEARCH, 2016, 卷号: 18, 期号: 9, 页码: 231-240 作者:  Zhang, Zhu;  Zheng, Xiaolong;  Zeng, Daniel Dajun;  Leischow, Scott J. 收藏  |  浏览/下载：18/0  |  提交时间：2016/12/26 marijuana  information seeking behavior  surveillance  search engine  time series analysis  spatial analysis