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A Web service for transforming metadata schemas Jean Godby and Devon Smith OCLC Online Computer Library Center, Inc. Web Services Seminar December 17, 2002 Arguments for a schema transformations project • Abstractness • Reusability • Levels of interoperability Our proposed solution • Use published or existing metadata schemas. • The transformations are encoded in XML and XSLT. • Intake functions let third parties contribute schemas and mappings. Schema Transformations: Process flow A transformed document A document Schema Schema Registry A transform Transformation Metadata A schema crosswalk repository: What it solves • Enforces a standard encoding format. • Permits a one-stop service for data conversion. • Encourages re-usability. • Facilitates the discovery of a common semantic core. • Permits inferences about metadata formats. Questions nswers A