1. Lecture Notes in Artificial Intelligence;A.A. Angehrn,2008
2. Beckett, D. (ed.): RDF/XML Syntax Specification (2004),
http://www.w3.org/TR/rdf-syntax-grammar/
3. Beged-Dov, G., Bricley, D., Dornfest, R., Davis, I., Dodds, L., Eisenzopf, J., Galbraith, D., Guha, R.V., MacLeod, M., Miller, E., Swartz, A., van der Vlist, E. (eds.): RDF Site Summary (RSS) 1.0 (2001),
http://web.resource.org/rss/1.0/spec
4. Berners-Lee, T., Hendler, J., Lassila, O.: The Semantic Web: A new form of Web content that is meaningful to computers will unleash a revolution of new possibilities. The Scientific American (May 2001),
http://www.sciam.com/article.cfm?id=the-semantic-web
5. Borgman, C.L.: Scholarship in the digital age: Information, infrastructure, and the Internet. MIT Press, Cambridge (2007)