Y. Cai, and Q. Li. Proceedings of the 19th ACM International Conference on Information and Knowledge Management, page 969--978. New York, NY, USA, ACM, (2010)
L. Chen, H. Zheng, Z. Liu, Q. Li, L. Guo, and G. Liang. EIDWT, volume 118 of Lecture Notes on Data Engineering and Communications Technologies, page 68-80. Springer, (2022)