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GDMS Service Proforma

GDMS Service Proforma. Middleware Workshop Alexander Wöhrer. Service: GridDataMediationService. Presenting heterogeneous data sources as one virtual data source to the user Availability of code www.gridminer.org License: not determined yet Support: email <SOA Model:WS/WS-GAF/WS-RF/Jini>

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GDMS Service Proforma

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  1. GDMS Service Proforma Middleware Workshop Alexander Wöhrer

  2. Service: GridDataMediationService • Presenting heterogeneous data sources as one virtual data source to the user • Availability of code • www.gridminer.org • License: not determined yet • Support: email • <SOA Model:WS/WS-GAF/WS-RF/Jini> • Currently OGSI

  3. Service Operations • Same Interface as OGSA-DAI R3 • Perform

  4. Service Dependencies • What else does your service depend on (i.e. external dependencies)? • Same as OGSA-DAI R3 • What does your implementation depend on? • OGSA-DAI R3 • SAXON XQuery Engine

  5. GDMS Features • Mapping Schema • How to combine sources – resolve heterogeneities • Mediated Schema (User View) • Same as conventional GDS • Query Language: SQL • Select …. From …. Where …. Order by ….. • Supported Data Sources • JDBC Sources, Xindice, CSV files

  6. GDMS Architecture I

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