W3C XML Schema Design Patterns: Avoiding Complexity

http://www.xml.com/pub/a/2002/11/20/schemas.html
 
The above link is to an article just published on XML.com on working with W3C XML Schema which is part guidelines on how best to use the language while avoiding getting bogged down in the complex bits and part response to Koshuke Kawaguchi's article at http://www.xml.com/pub/a/2001/06/06/schemasimple.html
 
Those with semi-long memories will remember this as me taking Edd Dumbill on his offer made a few months ago in http://lists.xml.org/archives/xml-dev/200209/msg00045.html