A method to convert data between a relational format and an XML document, by creating a set of XML Mapping Definition from metadata; selecting relational data from a relational application database, and converting the relational data to the XML document using the set of XML Mapping Definition....http://www.google.com.hk/patents/US6732095?utm_source=gb-gplus-share專利 US6732095 - Method and apparatus for mapping between XML and relational representations
