Criterion used to evaluate the value of a NetID, i.e. the personal IRI, as part of an Identity authentication (verification) workflow e.g., Virtuoso's multi-protocol authentication layer (aka. VAL) . Criterion used to evaluate the value of a NetID, i.e. the personal IRI, as part of an Identity authentication (verification) workflow e.g., Virtuoso's multi-protocol authentication layer (aka. VAL) .