https://w3id.org/framester/conceptnet5/data/en/indenture_servant <https://w3id.org/framester/conceptnet5/schema/DerivedFrom> <https://w3id.org/framester/conceptnet5/data/en/indenture.v> <https://w3id.org/framester/conceptnet5/schema/RelatedTo> <https://w3id.org/framester/conceptnet5/data/en/bond_labour> risorse dalla linked data cloud