About the Author

Priscilla Walmsley has been working closely with XQuery and XML Schema for years. She was a member of the W3C XML Schema Working Group from 1999 to 2004, and wrote the respected book Definitive XML Schema (Prentice Hall). Currently, Priscilla serves as Managing Director of Datypic (http://www.datypic.com), where she provides consulting services related to electronic publishing, data architecture, and information exchange.