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opengeospatial / NamingAuthority

Primary repo for the OGC Naming Authority
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Cannot find NIL values definitions #221

Closed alexrobin closed 1 year ago

alexrobin commented 1 year ago

There used to be definitions and stable URIs for NIL reasons registered on the definition server, such as:

I cannot resolve these URIs nor find the corresponding definitions anywhere in the definition server tree. Were they removed on purpose or by mistake?

Thanks.

rob-metalinkage commented 1 year ago

Will check.

rob-metalinkage commented 1 year ago

The content is there - but the new UI requires some metadata for the concept scheme that is missing. The new validation pipeline actually picks this up but we haven't had time to remediate all the legacy content.

Severity: sh:Violation Source Shape: https://w3id.org/profile/vocpub/shapes/Requirement-2.3.3 Focus Node: http://www.opengis.net/def/nil/OGC/0/AboveDetectionRange Value Node: http://www.opengis.net/def/nil/OGC/0/AboveDetectionRange Message: Requirement 2.3.3 Each skos:Concept in a vocabulary MUST indicate that it appears within that vocabulary's hierarchy of terms by use of either or both skos:inScheme and skos:topConceptOf properties Constraint Violation in OrConstraintComponent (http://www.w3.org/ns/shacl#OrConstraintComponent):

The bigger issue I'll deal with is that the content scheme is bundled into a larger original file with other stuff so its not entailing things properly - I'll factor the scheme out into a separate file as per normal practice and see if it resolves it.

rob-metalinkage commented 1 year ago

Should be working now - please report any issues

note you can access the full vocabulary now via http://www.opengis.net/def/nil?_profile=alt

e.g. http://www.opengis.net/def/nil?_profile=conceptscheme&_mediatype=application/ld%2Bjson

(this is why we refactor into separate concept schemes - havent dealt with all the legacy yet :-( - will riase an issue for this

alexrobin commented 1 year ago

I confirm it's working now. Thanks Rob.

alexrobin commented 1 year ago

Actually there is still an issue as some of them are not available using the upper case version, e.g.:

http://www.opengis.net/def/nil/OGC/0/Missing http://www.opengis.net/def/nil/OGC/0/Unknown

are now only available as:

http://www.opengis.net/def/nil/OGC/0/missing http://www.opengis.net/def/nil/OGC/0/unknown

I don't know what the case policy is on these things but I'm pretty sure the upper case versions were available before as that's what we refer to in our code.

Thanks,

rob-metalinkage commented 1 year ago

this is what was there previously

owl:sameAs http://www.opengis.net/def/nil/ogc/0/ ; skos:member http://www.opengis.net/def/nil/OGC/0/AboveDetectionRange ; skos:member http://www.opengis.net/def/nil/OGC/0/BelowDetectionRange ; skos:member http://www.opengis.net/def/nil/OGC/0/inapplicable ; skos:member http://www.opengis.net/def/nil/OGC/0/missing ; skos:member http://www.opengis.net/def/nil/OGC/0/template ; skos:member http://www.opengis.net/def/nil/OGC/0/unknown ; skos:member http://www.opengis.net/def/nil/OGC/0/withheld ;

and

http://www.opengis.net/def/nil/OGC/0/missing rdfs:label "missing"@en ; owl:sameAs http://www.opengis.net/def/nil/ogc/0/missing ; skos:altLabel "Missing"@en ;

so i dont think these could have been there. There has never been any case conversion happening AFAIK

alexrobin commented 1 year ago

Yes, you're right, my bad. We had them as lowercase in our software all along actually.

What through me off is that http://www.opengis.net/def/nil/OGC/0/AboveDetectionRange also exists as http://www.opengis.net/def/nil/ogc/0/above-detection-range for example.