. "Part Of"^^ . "Conceptual_Part_Of"^^ . "Conceptual_Part_Of"^^ . "A role used to indicate that a conceptual entity is a sub-entity of another conceptual entity. Both the domain and the range for this role are 'Conceptual Entity'.NCI" . "Conceptual Entity"^^ . "R27"^^ . . "Conceptual_Part_OfPTNCI" . .