Qin, L., W. Che, Y. Li, M. Ni, and T. Liu. “DCR-Net: A Deep Co-Interactive Relation Network for Joint Dialog Act Recognition and Sentiment Classification”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 05, Apr. 2020, pp. 8665-72, doi:10.1609/aaai.v34i05.6391.