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If no SecurityTokens are passed in by the client, a non-secure Distributed LexEVS connection will be used. The server maintains one (and only one) un-secured Distributed LexEVS connection that is shared by any client not requesting security.NOTE:
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All non-secured information accessed by the LexEVS Grid Service is publicly available from NCICB and users are expected to follow the licensing requirements currently in place for accessing and using NCI EVS information. |
LexEVS Data Grid Service API
The LexEVS Data Grid Service
The LexEVS Data Grid Service is a standard caGrid Data service based on the LexEVS 2009 Model
caGrid Data Service Documentation
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
- Example: Concept: C12345
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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'
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Restrict Results to Specific Attributes
- Example: Retrieve all of the 'localIds' of any 'SupportedAssociation' in the system.
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