An explicitly defined convention for characterizing relationships for a use case.
Sources:
NIST IR 8477
An explicitly defined convention for characterizing relationships for a user case. OLIR supports three concept relationship styles: concept crosswalk, set theory relationship mapping, and supportive relationship mapping.
Sources:
NIST IR 8278Ar1
under Concept Relationship Style
NIST IR 8278r1
under Concept Relationship Style