NOAA Metadata Manager and Repository

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NOAA Metadata Manager and Repository

• Joseph Shirley
• John Relph
• Karen E. Horan

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The Challenge
Supporting metadata formats can be a challenge.
The basic FGDC format contains over 300 fields.
There are various FGDC profiles, including
Biological, Shoreline and Remote Sensing, which
add even more fields. We need a tool that
supports creation, editing, storage and public
search.
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Overview

• NOAA Metadata Manager and Repository (NMMR)
• Developed by NGDC and NODC
• Supports multiple metadata standards
• Web, SOAP, and search interfaces
• Creation of metadata, with minimal understanding
  of FGDC standards
• Supports workflow with multiple states
• Collection/granule (parent/child) record sets

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Plumbing
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Process

• Create metadata template
• Create records
• Create
• Validate
• Approve
• Publish

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Metadata Templates

• Metadata types are defined by creation of
  templates that specify elements
• Data types and valid values
• Required or optional
• Repeatable
• Record structure
• Component records for common elements
• Currently support basic FGDC, plus Biological
  profile and Remote Sensing extensions
• Expect to support ISO 19115/19139

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Workflow/Record States
Automated Checks
Human Review
Publish
Draft
Validated
Approved
Published
Create
Edit
Unpublish
Edit
Edit
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Record Creation

• Import existing record in XML format
• Create from scratch
• Create from default record template
• Create with customized interface

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Basic Editing
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OSEI Image of the Day
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OSEI Microinterface
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OSEI Keywords
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OSEI Metadata
Metadata Identification Information
Citation Citation Information
Originator Operational Significant Event
Imagery Publication Date 19981026
Title Hurricane Mitch Description
Abstract Hurricane Mitch. Central pressure 923
MB. Sustained wind 155 MPH. Purpose The
Operational Significant Event Imagery team
produces high-resolution, detailed imagery of
significant environmental events which are
visible in remotely-sensed data available at
the NOAA Science Center in Suitland, Maryland.
Time Period of Content Time Period
Information Single Date/Time
Calendar Date 19981026 Time of Day
1345 Currentness Reference Publication
Date Status Progress Complete
Maintenance and Update Frequency None Planned
Spatial Domain Bounding Coordinates
West Bounding Coordinate -80 East
Bounding Coordinate -70 North Bounding
Coordinate 20 South Bounding Coordinate
10 Keywords Theme Theme
Keyword Thesaurus NASA/GCMD Keyword Thesaurus
Theme Keyword Earth Science gt Atmosphere gt
Atmospheric Phenomena gt Cyclones
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Editing

• Single or multiple records
• Various operations possible
• Update sections using default values
• Compare records
• Search and Replace

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Compare
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Editing Tools
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Record States
Automated Checks
Human Review
Publish
Draft
Validated
Approved
Published
Create
Edit
Unpublish
Edit
Edit
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Validation

• Mechanical checks
• Customize checks and error significance
• MP metadata parser
• XML Schema validator
• Link checker
• Spell checker

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Validate
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Record States
Automated Checks
Human Review
Publish
Draft
Validated
Approved
Published
Create
Edit
Unpublish
Edit
Edit
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Approve

• Human checks
• Review Title, Abstract, etc.
• Check keywords/thesaurus usage

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Review
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Record States
Automated Checks
Human Review
Publish
Draft
Validated
Approved
Published
Create
Edit
Unpublish
Edit
Edit
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Publish

• Records available via public search
• Uses Z39.50 protocol
• Wide international support
• FGDC/NSDI Clearinghouse Nodes
• Field-based search (Title, Keyword, Time)
• Z39.50 client or Web Portal

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Public Search
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In Conclusion

• Used since 2002 by NGDC, NODC, CoRIS
• Ongoing development
• Greatest thing since sliced bread