Dear all,
while doing some analysis on common ontologies, I noticed something odd in the DUV vocabulary (https://www.w3.org/TR/vocab-duv/).
I was looking for rdfs:subClassOf statements in an automated fashion and couldn't find any in DUV, although on a first glance I saw one.
The class duv:RatingFeedback is defined as follows:
duv:RatingFeedback a owl:Class, rdfs:Class ;
rdfs:label "Rating Feedback"@en ;
rdfs:comment "Predefined criteria used to express a user opinion about a dataset or distribution using a discrete range of values."@en ;
rdfs:subclassOf duv:UserFeedback .
According to the RDF1.1 concepts document, IRI's are equal if and only if they are equivalent under Simple String Comparison (https://www.w3.org/TR/rdf11-concepts/#section-IRIs)
However, the used rdfs:subclassOf property is differently capitalized as defined in RDFS (rdfs:subClassOf).
Kind regards,
SVEN LIEBER
PhD researcher semantic intelligence
IDLab<http://idlab.technology/>, imec<https://imec.be/> research group at Ghent University<https://www.ugent.be/en>
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