nodc metadata management for geoportal server and beyond john relph noaa national oceanographic data...

NODC Metadata Management for Geoportal Server and Beyond

John Relph

NOAA National Oceanographic Data Center

• Stewardship: Access• Archive Management System

o Loosely-coupled, distributed, easily configurable• Purpose-built dynamic metadata WAFs

o Archive Holdings WAFo NODC Collections WAFo Data.gov/Geospatial One-Stop WAF

Overview

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Scientific Stewardship

• Acquire: receive ocean data from U.S. and foreign sources

• Archive: preserve those data assets for the long term

• Access: provide access to archived data for business, federal, science, and many other users

• Add Value: assemble easy-to-use, long term collections for science and applications

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Human and machine interfaces to

Understand, Preserve, Discover, Access, and Use

NODC Archive Holdings

The NODC Ocean Archive

AIP AIP AIP AIP AIP

NODC Archive Paradigm

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The NODC Ocean Archive

AIP AIP AIP AIP AIP

Understand and Preserve

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FGDC ISO Ad hoc docs

Other standards

Metadata

• Brief Access Recordo Stewardship: NODC Data Content Managers control the

content o Accession Tracking Database is master repository of

Access metadata• FGDC Metadata

o Archive Holdings WAF, raw granule-level recordso Automated process merges Brief Access Records with raw

FGDC XML records to generate live archive WAF

Archive Management System

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• NODC Collections WAFo Filtered WAF for NODC Geoportal Server and

NESDIS Data Centerso Collection-level records are substituted for their

component granule-level recordso Links to data access mechanisms are generatedo Also represented in HTML for harvesting by

Google

Purpose-built metadata WAFs

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• Data.gov/Geospatial One-Stop WAFo Starts with NODC Collections WAFo Only collections/granules containing data

available for immediate download are includedo Offline, restricted access and documentation-

only accessions are filtered out

Purpose-built metadata WAFs

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The NODC Ocean Archive

AIP AIP AIP AIP AIP

Discovery

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OAS

Google Data.gov GOS

CSW

OpenSearch SRU/ISO23950

Geoportal Server Web App

Geoportal Server REST API

WAF

Human to Machine Interfaces

Machine to Machine Interfaces

• Additional WAFs easily configured and deployedo Archive Management System is loosely-

coupledo Filtering and/or transformation customized

on as-needed basis

Purpose-built metadata WAFs

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Thank You!

data.nodc.noaa.gov/geoportal

John.Relph@noaa.gov