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Alexander Vul - This needs to be a bit more precise. While the mapping between the names and types of the model elements and element attributes may or may not be exact, the arrangement and the hierarchy of the information model elements can be very intentional and specific, and such needs to be maintained and carried over into the data model representation. For example, the hierarchy of the IFA011 information elements and the attributes they contain is very intentional and should be preserved within the data models.
shitao li - I think for hierarchy is also may or may not , right? we need to looke at the model case by case. Alexander Vul - agree.
b) DM are pruned and refactored from IM
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