Semaview : RDF vs. XML Illustrated
"Designed as a one minute overview of the differences and similarities of RDF and XML, this illustration discusses approximately a dozen key
points in language that can be understood by managers and techies alike.

The Semantic Web Illustrated

Designed as a one minute overview of the Semantic Web.

PDF and JPEG versions available.

Coming soon - OWL, FOAF, and RSS Illustrated.
http://www.semaview.com/c/publications.html