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tl;dr: Does LoC intend that its relator properties be used with both "thing" and "string" objects? kc On 10/10/23 8:02 AM, McDonald, Stephen wrote: > That is not correct. The statement > <rdfs:subPropertyOf > rdf:resource="http://purl.org/dc/elements/1.1/contributor"/> > > is a single predicate-object statement, enclosed within angle brackets. > The following statement > <rdf:type > rdf:resource="http://www.w3.org/2002/07/owl#ObjectProperty"/> > > is also separate statement, enclosed within angle brackets. The OWL statement is not part of the subPropertyOf statement. The next statement is also a separate statement. So we have three statements: > > subPropertyOf: DC contributor > type: owl ObjectProperty > type: BIBFRAME role > > The term you were looking up is the implied subject of the statements, making these RDF triples. > > Steve McDonald > [log in to unmask] > > >> -----Original Message----- >> From: Code for Libraries <[log in to unmask]> On Behalf Of Karen >> Coyle >> Sent: Monday, October 9, 2023 5:36 PM >> To: [log in to unmask] >> Subject: [External] [CODE4LIB] Question about multiple declarations >> >> All, >> >> I am looking at the LoC relators at id.loc.gov, and am trying to understand the >> implications of the multiple declarations for relator terms. >> >> <rdfs:subPropertyOf >> rdf:resource="http://purl.org/dc/elements/1.1/contributor"/> >> <rdf:type >> rdf:resource="http://www.w3.org/2002/07/owl#ObjectProperty"/> >> <rdf:type rdf:resource="http://id.loc.gov/ontologies/bibframe/Role"/> >> >> dct:contributor is not an Object Property; there is no object type given, so I >> suppose it is de facto an Annotation Property. I read the next statement as >> narrowing, so at statement 2 we have: >> subproperty of dct:contributor AND an owl:ObjectProperty >> >> If my reading is correct, it would be a violation of this to use the relator with a >> string rather than a thing. >> >> (Stop me here if I'm wrong.) >> >> Then the 3rd statement appears to say that the relator is a bf:Role, which is a >> BIBFRAME-specific class. I can't wrap my head around the functionality of this >> statement and would love a brief explanation. I'm undoubtedly not into >> BIBFRAME deep enough to grok this. >> >> Also, my reading is that each relator is ALL THREE OF THESE; this is an AND not >> at OR. Right? >> >> Thanks for any help, >> kc >> >> -- >> Karen Coyle >> [log in to unmask] http://kcoyle.net >> m: +1-510-435-8234 >> skype: kcoylenet/+1-510-984-3600 >> >> Caution: This message originated from outside of the Tufts University >> organization. Please exercise caution when clicking links or opening >> attachments. When in doubt, email the TTS Service Desk at >> [log in to unmask]<mailto:[log in to unmask]> or call them directly at 617-627-3376. > -- Karen Coyle [log in to unmask] http://kcoyle.net m: +1-510-435-8234 skype: kcoylenet/+1-510-984-3600