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The default "Entities" collection that is created does not include a policy for including the generic "entity" content model. If you wish to ingest generic entities via the interface, this content model needs to be added to the collection policy.  All other entities are simultaneously associated with the generic Entity Content Model at the same time they are associated with the selected entity type content model (such as person or organization)

 Entities can be batch uploaded. Batch ingested entities have a default association with the person entity cmodel. 

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