Freebase is an open database of the world’s information. It is built by the community and for the community—free for anyone to query, contribute to, build applications on top of, or integrate into their websites.
Networked Environment for Personalized, Ontology-based Management of Unified Knowledge
NEPOMUK brings together researchers, industrial software developers, and representative industrial users, to develop a comprehensive solution for extending the personal desktop into a collaboration environment which supports both the personal information management and the sharing and exchange across social and organizational relations.