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  • Lexical Set Operations - Lexical Set Operations provides methods to return a lists or iterators of coded entries. Supported query criteria include the application of match/filter algorithms, sorting algorithms, and property restrictions. Support is also provided to resolve the union, intersection or difference of two node sets.
  • Graph Set Operations - Graph Operations support the subsetting of concepts according to relationship and distance, identification of relation source and target concepts, and graph traversal. Additional operations include enumeration and traversal of concepts by relation, walking of directed acyclic graphs (DAGs), enumeration of source and target concepts for a relation, and enumeration of relations for a concept.
  • Metadata Operations - Metadata Operations allows for the query and resolution of registered code system metadata according to specified coding scheme references, property names, or values.
  • History Operations - History provides vocabulary-specific information about concept insertions, modifications, splits, merges, and retirements when supplied by the content provider.

LexEVS API/Grid service interaction

See the LexEVS Grid Service Design and Implementation Guide.

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