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GEMET: Environmental Thesaurus Linking Data

Explore the journey of GEMET, an environmental thesaurus, evolving into a vital source of linked data in EEA's quest to enhance Europe’s environment. Learn how GEMET seamlessly integrates with other thesauri, supporting the EU's environmental objectives. Discover its significance in the development of the European Shared Environmental Information System (SEIS), compliance with legislative requirements, and integration into global systems like GEOSS and Eye on Earth.

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GEMET: Environmental Thesaurus Linking Data

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  1. Sigfús BjarnasonEEA Environmental Terminology and Discovery Service

  2. EEA’s mandate To achieve the aims (of the Treaty) to improve Europe’s environment the EEA shall provide objective, reliable and comparableinformation at European level to policy makers and the public

  3. GEMET • General • Multilingual • Environmental • Thesaurus • Initial purpose: To (manually) index all sources of environmental data and information in Europe

  4. The building of GEMET • 1996 - 2001 • Merging 8 existing Thesauri • 5300 terms • in a hierarchical structure • … and assigned to “themes”# • including definitions • 30 languages • Initially on paper and CD-ROM only • Now at www.eionet.europa.eu/gemet

  5. GEMET • Has it ever used as originally intended ? • Widely distributed • Frequently downloaded • Praised by terminologists • Used for indexing ?? • Now used more as one terminology source of many linked sources in the EEA Environmental Terminology and Discovery Service • Our main contribution to information systems based on Linked Data

  6. Linked Data • The basic assumption behind Linked Data is that the value and usefulness of data increases the more it is interlinked with other data. In summary, Linked Data is simply about using the Web to create typed links between data from different sources.

  7. GEMET and Linked Data • Recent work on GEMET has focused on creating links to other thesauri • We set up exact and close matches to concepts in many other thesauri • It requires that each included concept has a persistent URL on the Internet

  8. Synonyms of GEMET: Pest control

  9. GEMET in SEIS • SEIS (A European Shared Environmental Information System) that aims to improve, modernise and streamline environmental information • A distributed, integrated, web-enabled system • A network where public providers share data and information • Based on existing e-infrastructure, systems and services at national and EU level

  10. GEMET in legislation • The INSPIRE Directive “Required” for indexing of spatial data (but optional) GEMET in global systems • GEOSS (Global Earh Observations Systems of systems) • Eye on Earth (to be launched December 2011)

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