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Introduction
This document is a section of the LexEVS 5.x Programmer's Guide.
The LexEVS Data Grid Service is a standard caGrid Data service based on the LexEVS 2009 Model.
For complete documentation on caGrid Data Services, see caGrid Data Service Documentation.
Querying The System
To query the LexEVS Data Grid Service, use the standard caGrid CQL query method to compose queries. See caGrid Data Service API Documentation for more information.
Example LexEVS queries follow.
Query for a Concept with a Specific Code
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Query for a Concept with a Specific Presentation Text
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Restrict Results to Specific Attributes
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h2. Introduction
This document is a section of the [LexEVS 5.x Programmer's Guide].
The LexEVS Data Grid Service is a standard caGrid Data service based on the [LexEVS 2009 Model|LexEVS 5.0 Design and Architecture Guide#LexGrid Model].
For complete documentation on caGrid Data Services, see [caGrid Data Service Documentation|http://cagrid.org/display/dataservices/Home].
h2. Querying The System
To query the LexEVS Data Grid Service, use the standard caGrid CQL query method to compose queries. See [caGrid Data Service API Documentation|http://cagrid.org/display/dataservices12/Client+API] for more information.
Example LexEVS queries follow.
h3. Query for a Concept with a Specific Code
* Example: Concept: C12345
{include:DataGridQueryByCode Snippet}
h3. Query for a Concept with a Specific Presentation Text
* Example: A concept with a namespace 'SNOMED Clinical Terms' that contains a Presentation equal to 'Heart'
{include:DataGridQueryByPresentationText Snippet}
h3. Restrict Results to Specific Attributes
* Example: Retrieve all of the 'localIds' of any 'SupportedAssociation' in the system.
{include:DataGridQueryRestrictByAttributes Snippet}
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