- Social tagging and the Semantic Web
- reference to Julian Bleecker's manifest
- (2003)
- (2005)
- (2006)
- D-Lib Magazine (2006)
- (February 2006)
- (November 2004)
- (April 2005)
- (August 2005)
- (July 2003)
- (February 2004)
- (February 2005)
- International Semantic Web Conference, page 522-536. Springer, (2005)


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