T HE I NTERNATIONAL V IRTUAL O BSERVATORY ALLIANCE 28 May 2009 IVOA Interoperability Meeting -- Strasbourg NVO Registry Curation and Validation Tools NVO.

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Presentation transcript:

T HE I NTERNATIONAL V IRTUAL O BSERVATORY ALLIANCE 28 May 2009 IVOA Interoperability Meeting -- Strasbourg NVO Registry Curation and Validation Tools NVO Registry Team: Ray Plante, Gretchen Greene, Theresa Dower, Michael Preciado, Matthew Graham

28 May 2009IVOA Interoperability Meeting -- Strasbourg NVO/VAO Registry Curation Broad vision for registry curation: Improved publishing process –Wizard-like publishing interface to promote better publisher understanding, encourage better metadata * Beta XForms-based interface being tested Detect problems before publishing –Use VOSI to fetch info about standard services Reduce amount that must be hand-entered –Record validation at publishing time Active rating of resources via validationLevel –Automated evaluation of registry records * –Automated compliance testing of underlying services * –On-going human-driven review of metadata content –Automated & human communication with publisher * Recommendations for improvements Pointers to tools and documentation that help publishers Quality metrics should set by project and published Use case testing of registry –Are reasonable user queries matching the appropriate resources? –Feedback into metrics, tips for good metadata * Some progress made; development underway

28 May 2009IVOA Interoperability Meeting -- Strasbourg validationLevel Feature of the registry record format (VOResource) Definition: A numeric grade describing the quality of the resource description, when applicable, to be used to indicate the confidence an end-user can put in the resource as part of a VO application or research study. Values: 0 – non-compliant record 1 – syntactically compliant record 2 – functionally compliant resource (service is compliant) 3 – has been inspected by a human & judged semantically compliant 4 – resource description meets additional quality criteria set by human inspector Every registry can assign its own values according to local quality metrics Users can use the validationLevel as constraint on selecting services

28 May 2009IVOA Interoperability Meeting -- Strasbourg Service Validaters On-line Service Validaters –SCS: –SIA: –Registry Harvesting Interface: Services based on dalvalidate toolkit: Validaters planned: –SSA –Registry Search Interface Based on ivoaregistry library: