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Prevalence of misinformation and factchecks on the COVID-19 pandemic in 35 countries: Observational infodemiology study Cha, Meeyoung; Cha, Chiyoung; Singh, Karandeep; Lima, Gabriel; Ahn, Yong-Yeol; Kulshrestha, Juhi; Varol, Onur, JMIR HUMAN FACTORS, v.8, no.1, 2021-01 |
User-Chatbot Conversations During the COVID-19 Pandemic: Study Based on Topic Modeling and Sentiment Analysis Chin, Hyojin; Lima, Gabriel; Shin, Mingi; Zhunis, Assem; Cha, Chiyoung; Choi, Junghoi; Cha, Meeyoung, JOURNAL OF MEDICAL INTERNET RESEARCH, v.25, 2023-01 |
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