N. Wang, H. Wang, Y. Jia, and Y. Yin. The 41st International ACM SIGIR Conference on Research &\#38; Development in Information Retrieval, page 165--174. New York, NY, USA, ACM, (2018)
L. Wu, L. Yang, N. Yu, and X. Hua. WWW '09: Proceedings of the 18th international conference on World wide web, page 361--370. New York, NY, USA, ACM, (2009)
Y. Yang, C. Huang, L. Xia, and C. Li. Proceedings of the 45th international ACM SIGIR conference on research and development in information retrieval, page 1434--1443. (2022)