Yuan, Y., L. Liu, S. Tang, Z. Zhang, Y. Zhuang, S. Pu, F. Wu, and X. Ren. “Cross-Relation Cross-Bag Attention for Distantly-Supervised Relation Extraction”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 419-26, doi:10.1609/aaai.v33i01.3301419.