Z. Fernando, J. Singh, and A. Anand. Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, page 1005--1008. (2019)
X. Hu, W. Liu, J. Bian, and J. Pei. Proceedings of the 26th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining, page 1521--1531. (2020)