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Table 2 Semantical relationships of archetypes

From: Archetype relational mapping - a practical openEHR persistence solution

Relationship

Modification

Compatibility

Revision

Modify description part

Ensure backward compatibility

Expand attributes, range of value sets, terminology

Data created by pre-revised archetype is compatible with the revised version

Specialization

Strengthen the constraints

Ensure the new specialized archetype must create data that conforms to the parent

Redefine and add nodes

The range of value sets and semantics of nodes conform to the previous archetype

New version

Change mandatory item to optional

Modifications are incompatible with the previous archetype

Adjust value range or coded term set