A method and system of valuing transformation between XML documents. Specifically, one embodiment of the present invention discloses a method for calculating a transformation cost for a transformation operation that transforms a source node in a source XML document to a target node in a target XML document....http://www.google.de/patents/US6845380?utm_source=gb-gplus-sharePatent US6845380 - Method and system of valuing transformation between extensible markup language (XML) documents
