I have sought to identify and enumerate core FAIR-enabling services. I attempted a five-week experiment to expand on my tentative list, but I did not complete it.

Don’t. Identifiers should be opaque. If you’re given an owl:sameAs assertion from a party you trust, use that.

Is a metadata record “almost” expressed in the same language you used for your filter criteria?

Why would one consider indexing validators? Reuse. The value of reuse seems obvious for structural and semantic specification, i.