Wei, Z. et al. 2026. Cross-Platform Short-Video Diplomacy: Topic and Sentiment Analysis of China–US Relations on Douyin and TikTok. Proceedings of the International AAAI Conference on Web and Social Media. 20, 1 (May 2026), 2451–2465. DOI:https://doi.org/10.1609/icwsm.v20i1.42760.