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Enhancing Search and Discovery in NGCHC Metadata Catalog

The NGCHC Metadata Catalog provides an innovative architecture for managing model outputs and products. This system features a robust portal search box for free text and keywords, alongside a service API for automated tools. It allows users to upload FGDC files and extract standardized metadata. The ongoing development aims to integrate with DEM and ASGS holdings, enabling automated metadata publishing and common visualization interfaces. This facilitates effective simulation management, capturing end-to-end experiments and ensuring metadata provenance for all simulation-related files.

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Enhancing Search and Discovery in NGCHC Metadata Catalog

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  1. NGCHC Metadata Catalog Manil Maskey, Sandra Harper, Sara Graves Information Technology & Systems Center University of Alabama in Huntsville NGCHC Annual Science Meeting June 12 – 14, 2013 mmaskey@itsc.uah.edu http://www.itsc.uah.edu

  2. NGCHC Metadata Catalog Architecture • Current Search & Discover Mechanisms: • Portal Search Box – free text, keywords, etc. • Service API – useful for automated tools • Parse search results for url to use the output file • Ingested metadata are automatically standardized • Standard metadata can be downloaded • Manual or Automatic Ingest: • Upload FGDC files – Sulis • Enter information about outputs – Simulocean • Entry Forms • Simple clients for ingest service API http://www.ngchc.org

  3. NGCHC Metadata Catalog Interface http://www.ngchc.org

  4. NGCHC Metadata Catalog Significance - central catalog for distributed systems of model outputs and products - indexed for search and discover - standardized – automated use by tools (FGDC/ISO/CSW) - web interface, programmatic interface - upload already existing files Ongoing Development - integration with DEM and ASGS holdings - automated metadata extraction and publishing for Globus Online holdings - common visualization interface for all catalog holdings Implications to simulation management systems and NGCHC - help capture the end to end experiment along with the portal - metadata provenance for inputs/outputs/intermediate files used or generated during simulations and model runs http://www.ngchc.org

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