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Semantic validation of standard-based electronic health record documents with W3C XML schema
C Rinner1, S Janzek-Hawlat, S Sibinovic
1Section of Medical Information and Retrieval Systems, Core Unit for Medical Statistics and Informatics, Medical University of Vienna, Spitalgasse 23, Vienna, Austria. christoph.rinner@meduniwien.ac.at
Methods of Information in Medicine
|April 21, 2010
Summary
W3C XML Schema offers a practical method for semantic validation of electronic health record (EHR) documents against archetypes and reference models. This approach ensures EHR data conforms to standards, enhancing interoperability and data integrity.
Area of Science:
- Health Informatics
- Computer Science
Background:
- Standard-based electronic health record (EHR) documents require robust validation mechanisms.
- Semantic validation ensures EHR data conforms to underlying archetypes and reference models.
Purpose of the Study:
- To evaluate the feasibility of W3C XML Schema for semantic validation of standard-based EHR documents.
- To assess conformance of EHR documents with archetypes and reference models using XML Schema.
Main Methods:
- Developed an approach to derive XML Schemas from archetypes using a specific naming convention.
- Augmented archetype constraints with reference model components within XML Schema.
- Transformed EHR documents for validation against the generated XML Schemas.
- Created a tool to automate the semantic validation process.
Main Results:
- Successfully semantically validated EHR documents against ISO/EN 13606 archetypes and Continuity of Care Document (CCD) implementation guides.
- Demonstrated the approach's applicability to diabetes therapy data.
- Developed an automation tool for the validation steps.
Conclusions:
- W3C XML Schema is a practicable solution for semantic validation of standard-based EHR documents.
- Generic validation is largely possible, with specific transformations needed for certain archetype prescriptions.
- The developed approach and tool enhance the reliability of EHR data.
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