Metric to test if the metadata resource has a unique identifier. This is done by comparing the GUID to the patterns (by regexp) of known GUID schemas such as URLs and DOIs. Known schema are registered in FAIRSharing (https://fairsharing.org/standards/?q=&selected_facets=type_exact:identifier%20schema)
OSTrails Core: Unique Identifier
FAIR Assessment
FAIR Principles
Mark D Wilkinson
OSTrails Project