Chen, L., W. Wang, M. Nagarajan, S. Wang, and A. Sheth. “Extracting Diverse Sentiment Expressions With Target-Dependent Polarity from Twitter”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 6, no. 1, Aug. 2021, pp. 50-57, doi:10.1609/icwsm.v6i1.14252.