Machine Learning to Detect Self-Reporting of Symptoms, Testing Access, and Recovery Associated With COVID-19 on Twitter: Retrospective Big Data Infoveillance StudyTim K. Mackey, Raphael Cuomo, Bryan A. Liang et al.|JMIR Public Health and Surveillance|2020Cited by 155
Big Data, Natural Language Processing, and Deep Learning to Detect and Characterize Illicit COVID-19 Product Sales: Infoveillance Study on Twitter and InstagramTim K. Mackey, Bryan A. Liang, Jiawei Li et al.|JMIR Public Health and Surveillance|2020Cited by 120
A Machine Learning Approach for the Detection and Characterization of Illicit Drug Dealers on Instagram: Model Evaluation StudyJiawei Li, Tim K. Mackey, Neal Shah et al.|Journal of Medical Internet Research|2019Cited by 95