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 terminology user you will find this information useful when choosing if the LexEVS services are right for your institution or application.
Each area of LexEVS is broken down with its primary value proposition and additional items for you to consider.
Note: LexEVS 184.108.40.206 has been released and includes fix for an issue found in the LexEVS LexEVS 220.127.116.11 Release Notes and LexEVS 18.104.22.168 Installation Options.method. For more information on LexEVS 22.214.171.124, see
Additional Functional Qualification
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.
Authoring - The APIs provide the capability to author a Code System and its contents.
Versioning - An ordered collection of state changes that define the transformation of a set of resources from one consistent state to another.
CTS2 - Support for Common Terminology Services.
Mapping - Concept, Instance, or Association mapping between two different ontologies.
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.
Pick List - Pick List Definition within the LexGrid logical model defines an ordered list of entity codes and corresponding presentations drawn from a resolved Value Set Definition.
Loaders - LexEVS includes the loaders listed in this document.
Exporters - LexEVS includes predefined exporters.
Query - LexEVS provides a set of query services and APIs
Extensibility - LexEVS provides extendability through a pluggable framework for use locally or as contributions to the community via open source.
Semantic Web - LexEVS supports the semantic web.
Other - Relevant non-functional attributes are typically covered by the underlying architecture.