Peng, H., Xu, L., Bing, L., Huang, F., Lu, W. and Si, L. (2020) “Knowing What, How and Why: A Near Complete Solution for Aspect-Based Sentiment Analysis”, Proceedings of the AAAI Conference on Artificial Intelligence, 34(05), pp. 8600-8607. doi: 10.1609/aaai.v34i05.6383.