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isMemberOf should be general, now there is need to create a isGenericMemberOf.
UPDATE: this may have been fixed now. 

Suggested Changes to class and property hierarchies 

Changes to class hierarchy 

Changes to property hierarchy 

Check for date properties that should be a subproperty of fd:hasDate. For example:

• ctr:hasEffectiveDate, 
• doc:hasDateOfIssuance, 
• doc:hasExpirationDate   

Recommended Additions

datatype property for version indicator

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