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A SNOMED CT Concept Validation Library using Drools (Business Rules Engine)

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SNOMED Drools Engine

A SNOMED CT Concept Validation Engine using Drools (Business Rules Engine).

This library is used in the SNOMED International Authoring Platform to validate the parts of a concept which have changed during authoring.

The Engine

The snomed-drools-engine module is responsible for loading sets of assertions and other test resources then executing those assertions on SNOMED CT content as requested. The services within the engine, which are used to access SNOMED CT content, are abstract interfaces. No implementation for accessing content is provided within the snomed-drools-engine module so it can not perform any validation on its own. The engine has been written in this way intentionally to allow the same assertions to be run in a wide range of implementations.

The interfaces can be found here:

Axiom validation

For each OWL axiom to be validated the OWL expression should be deserialized and converted to a Relationship domain object.

The same SNOMED Drools Rules apply to axiom fragments as to relationships.

Content Access Implementations

The following implementations use the SNOMED Drools Engine and implement the interfaces above to give the engine access to SNOMED CT content:

The Assertion Rules

The rules for this engine are maintained separately in the SNOMED Drools Rules project.