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Mercury – Distributed Metadata Tool for Finding and Retrieving CDIAC Data

Introducing Mercury, a distributed metadata management system that allows for easy discovery and access of CDIAC data. Explore its features, developments, and see a live demonstration.

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Mercury – Distributed Metadata Tool for Finding and Retrieving CDIAC Data

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  1. Mercury – Distributed Metadata Tool for Finding and Retrieving CDIAC Data CDIAC UWG Meeting September 27th 2010 Ranjeet Devarakonda, Giri Palanisamy, Jim Green, Bruce Wilson

  2. Topics • Introduction • What is Mercury? • What can Mercury do? • CDIAC-Mercury developments • Demonstration

  3. What is Mercury? • Distributed metadata management, data discovery, and access system • Service oriented architecture that supports Thesaurus, Gazetteer, RSS, geo-RSS, and portlets • Based on a combination of open source and ORNL developed software • Standards based – XML, FGDC, Z39.50, Dublin-Core, Darwin-Core, GCMD, EML and ISO19115

  4. What can Mercury do? • Provide a single portal to information contained in disparate data management systems • Provide free text, fielded, spatial, and temporal search capabilities • Allow individuals and database managers to distribute their data while maintaining complete control and ownership • Leverage investment in existing information systems and research

  5. CDIAC Brazil completed Project Office LBA-Hydrometeorology Projects using Mercury

  6. P.I. Name Product Number Product Title Site Subject Area Thematic Area Keywords etc. Index Mercury – A Virtual Internet Database 1. Principal investigators create detailed metadata and data files using local applications or ORNL- OME 2. Mercury collects metadata from contributing agencies’ servers distributed around the world and builds a centralized index 5. Remoteusers select links to data of interest 6. Highly detailed data and documentation are downloaded directly from the contributing agency 3. Remote users query the index via a Web-based browser Users P.I. Summary – Olson J. S Global Organic Soil Carbon Project: Soil Collections Status: Completed Download Data Set: http://daac.ornl.gov/cgi- bin/cart/order.pl?ds_id=221 4. Metadata summaries are returned to the remote users, including links back to detailed information and data at the PIs’ server or data repository

  7. Topics • Introduction • What is Mercury? • What can Mercury do? • Key search features • CDIAC-Mercury Developments • Demonstration

  8. CDIAC Mercury Instance • More than 1000 searchable metadata records • CDIAC • Regional and Global Data • Land Validation Data • OCEAN (discrete and underway measurements) • NARSTO (Better quality for North America)

  9. CDIAC Mercury Simple Search (google like search) • FullText Search

  10. CDIAC Mercury Advanced Search Temporal Search Fielded Search Geo Spatial Search

  11. Recent Developments Integrated quick search in CDIAC website

  12. Typical Mercury Search Results Screen Search result can be bookmarked, emailed or used as an RSS feed Filtering the search results Sorting and navigating the results Brief results with links to order the data or view full metadata record

  13. Topics • Introduction • What is Mercury? • What can Mercury do? • Key search features • CDIAC-Mercury Developments • Demonstration

  14. CDIAC Mercury Demo • http://mercury.ornl.gov/cdiac

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