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The vocabulary core MIF will map in a manner similar to the previous load, with some exceptions. Relationships will be defined with names noted in the concept relationship tag attribute "relationshipName" where previously all relationships were named "hasSubtype." Otherwise, relationships with the code systems defined will be created based on containment and can maintain the hasSubtype designation. Most hierarchies defined in LexEVS provide a leaf-to-root resolve direction. The HL7 load was an exception. This should be revisited in this design.
We will otherwise map the definition tag to a definition type property in the LexGrid and concept property tag attributes will define the numerical portion of the unique identifier where the concept property name is "internalId." The code tag will define the other portion of the unique identifier using the code attribute to concatenate to the end of the numerical identifier preceeded by a colon. These should complete conformance, to a certain extent with with old LexEVS load of the RIM from the MSAccess database.
