Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Wei Zheng, Xuanhui Wang, Hui Fang, Hong Cheng. Coverage-based search result diversification. Inf. Retr., 15(5):433-457, 2012. [doi]
Abstract is missing.