Wang, Y. et al. 2021. Inferring Sentiment from Web Images with Joint Inference on Visual and Social Cues: A Regulated Matrix Factorization Approach. Proceedings of the International AAAI Conference on Web and Social Media. 9, 1 (Aug. 2021), 473–482. DOI:https://doi.org/10.1609/icwsm.v9i1.14608.