DOWNLOADABLE COMPUTER SOFTWARE FOR PROVIDING ACCESS TO OR MANIPULATION CAPABILITIES OF XML DOCUMENTS, SPECIFICALLY STORING AND RETRIEVING XML DOCUMENTS IN DATABASES, FILES, REPOSITORIES, OR WEB SERVICES, EDITING THE CONTENTS OF XML DOCUMENTS, TRANSFORMING THE CONTENTS OF XML DOCUMENTS THROUGH STYLESHEETS, DEFINING THE CONTENT MODELS FOR XML DOCUMENTS IN A SCHEMA, VALIDATING XML DOCUMENTS AGAINST THEIR SCHEMAS, PROVIDING DATA EXCHANGE FUNCTIONS BETWEEN XML DOCUMENTS AND RELATIONAL DATABASES, A...