"Contributing Source"^^ . "Conceptual Entity"^^ . . "P322"^^ . . "Contributing_Source"^^ . "Contributing_Source"^^ . "Contributing_SourcePTNCI" . "This property is used to indicate when a non-EVS entity has contributed to, and has a stake in, a concept. This is used where such entities, within or outside NCI, have indicated the need to be able to track their own concepts. A single concept can have multiple instances of this property if multiple entities have such a defined stake.NCI" .