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Coordination Portal/Data sources

Coordination Portal/Data sources . L2: Data access & Handling. Points to be raised : - Downloading data sources/data via the Portal…keeping visibility of data sources and efficiency of the Portal.

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Coordination Portal/Data sources

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  1. Coordination Portal/Data sources L2: Data access & Handling • Points to be raised : • - Downloading data sources/data via the Portal…keeping visibility of data sources and efficiency of the Portal. • Technical options: link to the data source page – redirection to the data source page with a prefilled interrogation form – direct download with a sign ‘you are downloading data from…’ • The data access must be fully open…check compatibility with data source policy…

  2. The Portal – technical options Portal / Data source interface The Seismic Plus portal Data description Data access Tools VOTable XML ? Query • VO standard, protocol and format : • TAP : Table Access Protocol • SSA : Simple Spectra Access • … • Specific to data archive Data Access Layer service Data archive

  3. The Portal – technical options VO standard, protocol and format • For example Table Access Protocol (TAP) • Defines Web service protocol for accessinggeneral table data: • Data queries for data access • Metadataqueries for data description • TestingDaCHSframework (TAP implementationdevelopped by the German VO) • withSSI database. • Visibility in VO registries and VO tools like TOPCAT, VOSPEC • Help to define a common language, vocabulary • Make portal developments and maintenance easier • Knowledge and support from OV-Paris • Location near the database

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