GiveALink is a social annotation, organization, recommendation, and navigation system for the Web. It is also a research project by the Networks and Agents Network in the Center for Complex Networks and Systems Research of the Indiana University School of Informatics. The project is funded by National Science Foundation (award IIS-0811994: Social Integration of Semantic Annotation Networks for Web Applications). However any opinions, findings, and conclusions or recommendations expressed on this site do not necessarily reflect the views of the NSF.
More info at http://www.givealink.org/main/faq