Z. Dou, R. Song, and J. Wen. WWW '07: Proceedings of the 16th international conference on World Wide Web, page 581--590. New York, NY, USA, ACM, (2007)
X. Li, A. Cooper Stickland, Y. Tang, and X. Kong. Advances in Neural Information Processing Systems, 33, page 1736--1746. Curran Associates, Inc., (2020)
R. Jones, B. Rey, O. Madani, and W. Greiner. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 387--396. New York, NY, USA, ACM, (2006)