“The Semantic Web, Linked and Open Data: A Briefing Paper”…07.13.10 « The Proverbial Lone Wolf Librarian’s Weblog
http://lonewolflibrarian.wordpress.com/2010/07/13/the-semantic… A good introduction to the subject, with clear explanations of RDF, URI, SPARQL, and useful links to additional resources. See this Amp at http://amplify.com/u/7pf9 via Amplify.com