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LexEVS Code Pages to Include
LexEVS Code Pages to Include

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Supply the OWL manifest file URI

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SupplyOwlFileUri Snippet
SupplyOwlFileUri Snippet

Supply the non-OWL manifest file URI

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SupplyNonOwlFileUri Snippet
SupplyNonOwlFileUri Snippet

Find the immediate relations of a Concept

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ConceptImmediateRelations Snippet
ConceptImmediateRelations Snippet

Find a given code, for example, code 'C1234' in the 'NCI Thesaurus' ontology

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FindGivenCode Snippet
FindGivenCode Snippet

Concept Resolution

Programmers access coded concepts by acquiring first a node set or graph. After specifying optional restrictions, the nodes in this set or graph can be resolved as a list of ConceptReference objects which in turn contain references to one or more Concept objects. The following example provides a simple query of concept codes:

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ConceptCodeQuery Snippet
ConceptCodeQuery Snippet

Service Metadata Retrieval

The LexEVS system maintains service metadata which can provide client programs with information about code system content and assigned copyright/licensing information. Below is an brief example showing how to access and print some of this metadata:

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ServiceMetadataRetrieval Snippet
ServiceMetadataRetrieval Snippet

Combinatorial Queries

One of the most powerful features of the LexEVS architecture is the ability to define multiple search and sort criteria without intermediate retrieval of data from the LexEVS service. Consider the following code snippet:

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CombinatorialQueries Snippet
CombinatorialQueries Snippet

Coded Node Graph Restriction

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CodedNodeGraphRestriction Snippet
CodedNodeGraphRestriction Snippet

Resolved Concept References Iterator

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ResolvedConceptReferencesIterator Snippet
ResolvedConceptReferencesIterator Snippet

Request Filter Match

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RequestFilterMatch Snippet
RequestFilterMatch Snippet

Request Filter

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RequestFilter Snippet
RequestFilter Snippet

Request Sort Compare

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RequestSortCompare Snippet
RequestSortCompare Snippet

Request Sort

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RequestSort Snippet
RequestSort Snippet

Concept Resolution

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ConceptResolution Snippet
ConceptResolution Snippet

Metathesaurus CUI search

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Retrieve Presentations by Metathesaurus CUI Snippet
Retrieve Presentations by Metathesaurus CUI Snippet

Metathesaurus Source Code Search

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Retrieve Metathesaurus Concept by Source Code Snippet
Retrieve Metathesaurus Concept by Source Code Snippet

Search by Existence of a Property

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Retrieve Concept by Existence of Property Snippet
Retrieve Concept by Existence of Property Snippet

Search by FULL_SYN with specified source

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Search By FULL_SYN Snippet
Search By FULL_SYN Snippet

Calculate Transitive Closure

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Transitive Closure Snippet
Transitive Closure Snippet

Fetch Definition Source based on Concept Code

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Search Definition Source by Concept Code Snippet
Search Definition Source by Concept Code Snippet

Examine History for NCI Thesaurus or NCI Metathesaurus

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ExamineHistory Snippet
ExamineHistory Snippet

Asserted Value Set Search

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Asserted Value Set Search Snippet
Asserted Value Set Search Snippet

 

Resolved Value Set Services

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Resolved Value Set Services Snippet
Resolved Value Set Services Snippet

 

 

 

Code Files

BuildTreeForCode

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Utility functions to support the examples.

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