Resources

Spec Namespaces in XML - http://www.w3.org/TR/REC-xml-names/
News xmlhack.com - http://xmlhack.com/list.php?cat=7
Staying out of trouble Common XML - http://simonstl.com/articles/cxmlspec.txt
Myths Namespace Myths Exploded - http://www.xml.com/pub/2000/03/08/namespaces/index.html