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NOAA Metadata Manager and Repository. Joseph Shirley John Relph Karen E. Horan. The Challenge.

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noaa metadata manager and repository

NOAA Metadata Manager and Repository

Joseph Shirley

John Relph

Karen E. Horan

the challenge
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.

overview
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
plumbing

NMMR

Blue Angel

Technologies

Java Library

Web

SOAP

Oracle

Database

Z39.50 Server

Search

Plumbing
process
Process
  • Create metadata template
  • Create records
    • Create
    • Validate
    • Approve
    • Publish
metadata templates
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
workflow record states
Workflow/Record States

Automated

Checks

Human

Review

Publish

Draft

Validated

Approved

Published

Create

Edit

Unpublish

Edit

Edit

record creation
Record Creation
  • Import existing record in XML format
  • Create from scratch
  • Create from default record template
  • Create with customized interface
osei metadata
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 > Atmosphere > Atmospheric Phenomena > Cyclones

editing
Editing
  • Single or multiple records
  • Various operations possible
    • Update sections using default values
    • Compare records
    • Search and Replace
record states
Record States

Automated

Checks

Human

Review

Publish

Draft

Validated

Approved

Published

Create

Edit

Unpublish

Edit

Edit

validation
Validation
  • Mechanical checks
  • Customize checks and error significance
    • MP metadata parser
    • XML Schema validator
    • Link checker
    • Spell checker
record states1
Record States

Automated

Checks

Human

Review

Publish

Draft

Validated

Approved

Published

Create

Edit

Unpublish

Edit

Edit

approve
Approve

Human checks

  • Review Title, Abstract, etc.
  • Check keywords/thesaurus usage
record states2
Record States

Automated

Checks

Human

Review

Publish

Draft

Validated

Approved

Published

Create

Edit

Unpublish

Edit

Edit

publish
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
in conclusion
In Conclusion
  • Used since 2002 by NGDC, NODC, CoRIS
  • Ongoing development
  • Greatest thing since sliced bread