Gao, T., D. Subramanian, K. Shanmugam, D. Bhattacharjya, and N. Mattei. “A Multi-Channel Neural Graphical Event Model With Negative Evidence”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 04, Apr. 2020, pp. 3946-53, doi:10.1609/aaai.v34i04.5810.