Xu, Bin, Jiajun Bu, Chun Chen, and Deng Cai. 2021. “A Bregman Divergence Optimization Framework for Ranking on Data Manifold and Its New Extensions”. Proceedings of the AAAI Conference on Artificial Intelligence 26 (1):1190-96. https://doi.org/10.1609/aaai.v26i1.8276.