Hashtag activism in a politicized pandemic: Framing the campaign to include Taiwan in the World Health Organization's efforts to combat COVID-19. - Anita Kc Liu; Yotam Ophir; Shu-An Tsai; Dror Walter; Itai Himelboim (New Media Soc., 2024)

VisTopics: A Visual Semantic Unsupervised Approach to Topic Modeling of Video and Image Data. - Ayse D. Lokmanoglu; Dror Walter (CoRR, 2025)