Tracking COVID-19 Discourse on Twitter in North America: Infodemiology Study Using Topic Modeling and Aspect-Based Sentiment Analysis

Hyeju Jang   ^{1, 2} , MSc, PhD ;   Emily Rempel   ² , MSc, PhD ;   David Roth   ² , MSc, PhD ;   Giuseppe Carenini   ¹ , MSc, PhD ;   Naveed Zafar Janjua   ^{2, 3, 4} , MBBS, MSc, DrPH

¹ Department of Computer Science, University of British Columbia, Vancouver, BC, Canada

² British Columbia Centre for Disease Control, Vancouver, BC, Canada

³ School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada

⁴ Centre for Health Evaluation and Outcome Sciences, University of British Columbia, Vancouver, BC, Canada