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What is the LexGrid?
LexGrid (Lexical Grid) provides support for a distributed network of lexical resources such as terminologies and ontologies
via standards-based tools, storage formats, and access/update mechanisms.
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Currently, there are many terminologies and ontologies in existence. Just about every terminology has its own format, its own set of tools, and its own update mechanisms. The only thing that most of these pieces have in common with each other is their incompatibility. This makes it very hard to use these resources to their full potential. We have designed the Lexical Grid as a way to bridge terminologies and ontologies with a common set of tools, formats and update mechanisms. The Lexical Grid is:
- accessible through a set of common APIs
- joined through shared indices
- online accessible
- downloadable
- loosely coupled
- locally extendable
- globally revised
- available in web-space on web-time
- cross-linked
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The starting point for the LexGrid Data Model was the Object Management Group (OMG)
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- Lexicon Query Service Specification from OMG - A pdf file of the model.
Multiexcerpt include MultiExcerptName ExitDisclaimer nopanel true PageWithExcerpt wikicontent:Exit Disclaimer to Include - Lexicon Query Service Specification IDL from OMG - The idl of the model.
Multiexcerpt include MultiExcerptName ExitDisclaimer nopanel true PageWithExcerpt wikicontent:Exit Disclaimer to Include
Supported Standards
Many terminology standards have been created by various organizations.
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- UMLS (Unified Medical Language System) is a standard distribution format from the National Library of Medicine. RRF or Rich Release Format is an updated file format used in recent releases of the NCI MetaThesaurus.
Terminology Query Services specification, with some revisions and many simplifications
Note title Note The 2005 Model of LexGrid is no longer supported by LexBIG.
Links
- EVS Technical guide
- For more information on LexEVS, including access to the latest LexEVS documentation and files, see the LexEVS wiki.
Links to Translated Versions of this page
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