Yang, Xiao, Zhaoxin Zhang, and Qiang Wang. “Personalized Recommendation Based on Co-Ranking and Query-Based Collaborative Diffusion”. Proceedings of the AAAI Conference on Artificial Intelligence 27, no. 1 (June 29, 2013): 1649-1650. Accessed May 1, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/8534.