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VAO Registry Status Spring 2014

VAO Registry Status Spring 2014. T HE I NTERNATIONAL V IRTUAL O BSERVATORY ALLIANCE. Theresa Dower Registry WG. IVOA Interoperability Meeting – Madrid 2014. VAO Registry History. VAO Registry at Space Telescope uses an underlying relational database.

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VAO Registry Status Spring 2014

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  1. VAO Registry StatusSpring 2014 THE INTERNATIONAL VIRTUAL OBSERVATORY ALLIANCE Theresa Dower Registry WG IVOA Interoperability Meeting – Madrid 2014

  2. VAO Registry History • VAO Registry at Space Telescope uses an underlying relational database. • Implementation in Microsoft Sql Server • Original schema non-standard, internally developed • Imports VOResourceas XML via XSLT to SQL • Evolved to support new resource types for new standards after approval at IVOA level (Cone Search, SIA, SSA, TAP, DataService 1.0 but NOT 1.1) • Fulltext-indexed for fast keyword search of active resources • Saves all resource update history across IVOA Registries. May 2014 IVOA Interoperability Meeting – Madrid

  3. Schema Update: Almost Standard • Contributed to RegTAP standard • Lessons learned from prior implementation • Support Microsoft SQL dialect quirks • Tested speed/usability for common searches • Small name changes in RegTAP working draft can be hidden in TAP service • Internal translation hides resource history from public interface queries • Indexes retain speed for queries that have been split into multiple tables May 2014 IVOA Interoperability Meeting -- Madrid

  4. Registry Upgrade: Status • Operational registry database live & RofR listed • Harvesting full IVOA RofR • Populated from scratch: not porting history information from old VAO Registry relational schema. • Missing records only from validation or temporary OAI harvesting issues across RofR. • VOLogin support for local resource publishing • Major curation/cleanup effort regarding invalid and obsolete records • Official release with documentation summer 2014 May 2014 IVOA Interoperability Meeting -- Madrid

  5. Registry Interfaces • http://vao.stsci.edu/directory/... • Legacy Interfaces • OAI Standard (Cross-registry resource harvesting) • Non-standard VOTablesearch (Used by several VO tools) • Web keyword search page • Backward compatibility for non-standard searches reliant on old schema. • Standard SOAP-based RI 1.0 Search Interface • Used by TOPCAT (for now) • Thanks: Menelaus Perdikeas, Mark Taylor, Ray Plante May 2014 IVOA Interoperability Meeting -- Madrid

  6. Standardized Searching • Standard SOAP-based RI 1.0 Search Interface • Used by TOPCAT (for now) • http://vao.stsci.edu/directory/RIStandardService.asmx May 2014 IVOA Interoperability Meeting -- Madrid

  7. Registry Future Work • Finalize RegTAP interface • Will update to RegTAP standard as approved • Based on prototype C# TAP service at STScI, built in collaboration with VAO TAP Server in Java at JHU. • REST interface • Based on existing VOParis work and existing non-standard VAO keyword search. • Need to decide upon output format. • Mirror site within current VAO institutions • Finalize resource publishing / user migration May 2014 IVOA Interoperability Meeting -- Madrid

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