August 1, 2004 - December 1, 2006

The FOAF (Friend of a Friend) vocabulary has become one of the most used semantic web ontologies and can be found in millions of RDF documents on the web. FOAF is used to describe basic attributes of people and relationships among them. We have been studying how FOAF is used on the web as part of a larger effort.

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Principal Faculty

  1. Anupam Joshi

Adjunct Faculty

  1. Li Ding


  1. Lina Zhou



  1. L. Ding, L. Zhou, T. Finin, and A. Joshi, "How the Semantic Web is Being Used:An Analysis of FOAF Documents", InProceedings, Proceedings of the 38th International Conference on System Sciences, January 2005, 14407 downloads, 116 citations.
  2. L. Ding, T. Finin, and A. Joshi, "Analyzing Social Networks on the Semantic Web", Article, IEEE Intelligent Systems, January 2005, 9019 downloads, 20 citations.


  1. L. Ding, T. Finin, A. Joshi, R. Pan, R. S. Cost, Y. Peng, P. Reddivari, V. C. Doshi, and J. Sachs, "Swoogle: A Search and Metadata Engine for the Semantic Web", InProceedings, Proceedings of the Thirteenth ACM Conference on Information and Knowledge Management , November 2004, 29714 downloads, 467 citations.


  1. foafPub dataset