1. A Web service for transforming metadata schemas
Jean Godby and Devon Smith
OCLC Online Computer Library Center, Inc.
Web Services Seminar
December 17, 2002

2. Arguments for a schema transformations project
Abstractness
Reusability
Levels of interoperability

3. 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.

4. Schema Transformations: Process flow
A transformed
document
A document
Schema
Registry
Schema
Transformation
A transform
Metadata

9. 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.

10. &
Questions
nswers A