nasa common metadata repository (cmr) update and near term plans – ceos wgiss 37 1 andrew mitchell...
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NASA COMMON METADATA REPOSITORY (CMR)Update and Near Term Plans – CEOS WGISS 37
Andrew MitchellEarth Science Data and Information Systems (ESDIS)National Aeronautics and Space Administration (NASA
Cocoa Beach Florida - April 15, 2014
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In a world where metadata matters…
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URSGIBSEMSEOSDIS
Discovery Tools
DAACsNear Real
Time (LANCE)
???CMR
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Seriously? Another catalog?
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No.
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So why are we doing this?
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Emphasis on Metadata Quality
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Reconciliation Progress and Plans
Science Coordinators will assess differences between associated records and work from easiest to hardest with providers
Initial pass will associate ECHO 10 Collections with GCMD DIFs
Assessment and correlation between ECHO and GCMD holdings has started
GCMD is programmatically monitoring ECHO for new Collections and Updates
DIF support added to ECHO
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Handling Metadata Changes• Science Coordinator will work with Data Providers to
make changes at Metadata source• CMR will support pluggable Ingest Adapters to allow in-
line updates to ingested metadata if needed• Science Coordinator can make updates to metadata on
behalf of providers when approved by owner
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Emphasis on Performance
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Current Holdings• Collections: ~4k + ~24k• Granules: ~140M• Growth:
• Current• 500k+ granules/week
• Future• ~1 million granules/day during
MODIS Collection 6 Reprocessing
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CMR Transition
ECHO components progressively replaced with CMR components
Early work to focus on search performance
Updated requirements effort starting soon
Initial requirements based on MASI and MASII studies
CMR will build on ECHO and GCMD capabilities
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Metadata Concept Support
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Extensibility
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ECHO 10
GCMD DIF
EMS
ISO19115UMM
Ingest Adapter
Visualization
Documentation
Services
Parameters
1 2
3
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How Will This Affect Me?
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Metadata Providers
• You won’t have to reconcile multiple systems• Most systems will continue to work
• ECHO FTP ingest going away
• Current formats will continue to function• You will need to be engaged in the adaptation process• You will need to support controlled vocabularies• You will have a voice through the Technical Committee
Streamlined Processes, More Engagement
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Client Developers
More Metadata, Better Quality
• Richer, higher quality metadata will be available• Existing APIs will be supported• Standards-compliant APIs will be available• Metadata will be available in an ISO19115 compliant format
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End Users
More Metadata, Better Quality
• Richer, higher quality metadata will be available• Unified view of EOSDIS holdings • Easier access through a variety of clients, data casting, etc• Metadata will be available in an ISO19115 compliant format
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Questions?