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Semantic Interoperability in the Global Information Locator Service (GILS). presented by Eliot Christian, United States Geological Survey. The Global Change Problem. Long-term, cross-media, cross-language, cross-discipline ... Data, publications, information, other abstractions ...

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Semantic interoperability in the global information locator service gils

Semantic Interoperability in the Global Information Locator Service (GILS)

presented byEliot Christian,United States Geological Survey


The global change problem
The Global Change Problem Service (GILS)

  • Long-term, cross-media, cross-language, cross-discipline ...

  • Data, publications, information, other abstractions ...

  • Electronic, paper, artifacts, people, events, rocks ...


What s the solution
What’s the Solution? Service (GILS)

  • Fundamentals

    • characteristics

    • pattern-matching

  • Standards

    • networks

    • catalogs


Client server architecture
Client-Server Architecture Service (GILS)

  • GILS-compliant servers interoperable for searching, defined in GILS Profile

  • GILS Profile uses network client-server

  • GILS Profile does not constrain clients

  • Server specification during search, independent of content management

  • Anyone can use GILS independently to organize information


Gils compliant server
GILS-compliant Server Service (GILS)

  • Server appears to hold "locator records", but GILS does not prescribe a "record format"

  • Search "full-text" or on structured elements

  • GILS defines about 100 "metadata" elements

  • GILS locator records can also include any locally-defined metadata elements

  • GILS-compliant servers map local structured elements to the registered element numbers


National and international http www usgs gov gils sampler
National and International Service (GILS)<http://www.usgs.gov/gils/sampler>

Australia, Canada, Committee of Earth Observing Satellites, Consortium for International Earth Science Information Network, European Environment Agency, European Legislative Virtual Library, European Wide Service Exchange, Global Change Master Directory, Global Environmental Information Locator Service, Great Lakes Information Network, I*M Europe, InterAmerican Biodiversity Information Network, Japan, Nordic Web Index, UN Framework Convention on Climate Change, UN Convention on Biological Diversity


U s state regional local http www usgs gov gils sampler
U.S. State, Regional, Local Service (GILS)<http://www.usgs.gov/gils/sampler>

California, Florida, Fort Lauderdale, Greensboro, Madison, Massachusetts, Missouri, New York, North Carolina, Philadelphia, Solinet and Southern Growth Policy Board, South Carolina, Tallahassee, Tennessee Valley Authority, Texas, Washington (state)


U s federal and other http www usgs gov gils sampler
U.S. Federal and Other Service (GILS)<http://www.usgs.gov/gils/sampler>

Advanced Search Facility, Census Bureau, DefenseLink, Federal Resources for Education Excellence, Government Printing Office, Master Environmental Library, National Biological Information Infrastructure, National Environmental Data Index, National Oceanic and Atmospheric Administration, National Spatial Data Infrastructure, National Technical Information Service, Natural Hazards Information Center, Non-Profit Gateway, Patent and Trademark Office, Scientific and Technical Information Network, U.S. Federal GILS, U.S. Geological Survey


Semantic interoperability
Semantic Interoperability Service (GILS)

  • Many communities use bibliographic techniques, but different rules for elements

  • Tightly controlled metadata format rules are not sustainable globally and long-term

  • Looser specification for search interface only allows diverse formats, software, and models

  • All information resources need not be characterized the same way


Further information
Further Information Service (GILS)

  • Global Information Locator Servicehttp://www.g7.fed.us/gils

  • GILS Discussion Liste-mail to [email protected] GILS <your name>


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