Mercury – A Service Oriented Web-based system for finding and retrieving Biogeochemical, Ecological and other land- based data National Aeronautics and.

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Presentation transcript:

Mercury – A Service Oriented Web-based system for finding and retrieving Biogeochemical, Ecological and other land- based data National Aeronautics and Space Administration

National Aeronautics and Space Administration Tammy Walker Beaty 2 What is Mercury Distributed metadata management, data discovery, and access system Single portal to information contained in a separate data management systems Simple full text searching Advanced search with spatial, temporal and parameter specifications 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

National Aeronautics and Space Administration Tammy Walker Beaty 3 Two Mercury Models The Virtual Internet Database Organizes a new collection of data from informal systems spread across the Internet The Virtual Aggregate Database Harvests information from existing formal separate DBMS Many hybrids

National Aeronautics and Space Administration Tammy Walker Beaty 4 Mercury – A Virtual Internet Database 3. Remote users query the index via a Web-based browser 6. Highly detailed data and documentation are downloaded directly from the contributing agency 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 4. Metadata summaries are returned to the remote users, including links back to detailed information and data at the PIs’ server or data repository 5. Remote users select links to data of interest Index Users P.I. Summary – Olson J. S Global Organic Soil Carbon Project: Soil Collections Status: Completed Download Data Set: bin/cart/order.pl?ds_id=221 P.I. Name Product Number Product Title Site Subject Area Thematic Area Keywords etc.

National Aeronautics and Space Administration Tammy Walker Beaty 5 Mercury Features ORNL DAAC – Simple Search & Advanced Search Flexible architecture - can handle multiple search services, scalable, easily extendable Rich Client Interfaces Filtering, dynamics sorting, and book marking of search results SOAP (Simple Object Access Protocol) based design supports Web and RSS services and Portlets Ability to provide the harvested metadata to other applications (e.g.., Google, GCMD, GeoOneStop, NBII Biobot) Semantic web integration support (thesaurus service) Seamless data ordering/data extraction functionalities Seamless integration with external data visualization tools User Statistics Collection

National Aeronautics and Space Administration Tammy Walker Beaty 6 ORNL DAAC Mercury Instances Search Technology using popular open source tools More than 8000 searchable metadata records ORNL DAAC Archived Data Regional and Global Data Land Validation Data LTER Data (Long Term Ecological Research) Organization of Biological Field Stations

National Aeronautics and Space Administration Tammy Walker Beaty 7 Simple Mercury Search

National Aeronautics and Space Administration Tammy Walker Beaty 8 Advanced Mercury Search

National Aeronautics and Space Administration Tammy Walker Beaty 9 Mercury Home Page Detailed information about Mercury and Mercury Projects Access to Metadata Editors

National Aeronautics and Space Administration Tammy Walker Beaty 10 SignOffPage