Kumar, A., P. Ku, A. Goyal, A. Metallinou, and D. Hakkani-Tur. “MA-DST: Multi-Attention-Based Scalable Dialog State Tracking”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 05, Apr. 2020, pp. 8107-14, doi:10.1609/aaai.v34i05.6322.