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.
Pierre Andrews, Ilya Zaihrayeu, Juan Pane. A classification of semantic annotation systems. Semantic Web, 3(3):223-248, 2012. [doi]