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https://cabig-kc.nci.nih.gov/Vocab/KC/index.php/LexEVS_Highlights
The following information was designed to give an overview of the functionality contained within the Lexical Grid Enterprise Vocabulary Services (LexEVS). As a beginner or experienced terminologist you will find this information useful when choosing if the LexEVS services are right for your institution or application.
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Model: The LexGrid model is Mayo Clinic's proposal for standard storage of controlled vocabularies and ontologies. These are the high-level objects incorporated into the model definition. |
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Authoring |
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- The APIs provide the capability to author a Code System and its contents. |
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Versioning |
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- An ordered collection of state changes that define the transformation of a set of resources from one consistent state to another. |
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CTS - Comprehensive support for Common Terminology Services. |
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Mapping |
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- Concept, Instance, or Association mapping between two different ontologies. |
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Value Set - Value Set Definition within the LexGrid logical model defines the contents of a Value Set. The contents are coded entities defined in the referenced Code System. |
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LexEVS includes predefined exporters. | * LexGrid XML exporter with filter functionalities
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OWL/RDF exporter | Supports the versioning of concepts, value sets, and terminologies.
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LexEVS provides a set of query services and APIs | * By Entity - Code Node Set.
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Value Set Query API - provides capability to query Value Sets available in the LexEVS system and also to query the binding between Value Set and concept domain. | Provides answers to queries concerning the LexEVS system capabilities, terminologies supported, relationship types, search algorithms, and versions.
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LexEVS provides a couple of web services. | * SOAP | |
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REST | Prototype functionality provided prior to and including LexEVS 6.0.
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LexEVS provides extendability through a pluggable framework for use locally or as contributions to the community via open source. | * The LexEVS APIs, the core APIs, fall into three primary categories:
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Preliminary CTS2 API: provides programmatic access to LexEVS 6.0 implementation of CTS 2 features and services. Developers can build custom applications, tools, and services that can make calls as per CTS 2 specification against LexEVS CTS 2 API. Visit Common Terminology Services 2 for services description, purpose and scope of CTS 2 specification. | LexEVS uses an open architecture supporting extensions created by external organizations.
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LexEVS supports the semantic web. | * OWL/RDF loader and API.
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OWL/RDF exporter can export an ontology to a triple store, based on Jena 2.6.3. | Import and export functions can be executed via APIs, command line, or GUI. |
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Relevant non-functional attributes are typically covered by the underlying architecture. | * Security
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License | Custom security implementation configurable per Coding System in a distributed environment.
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- Install instructions contain recommended approaches for certain database management systems.
- Conforms to licensing needs. |