Re: [OWLAPI-developer] Questions about OWL 2 RDF-Based Semantics

[Ignazio P. <ipa...@gm...>]

On Tue, 21 Jan 2025, 07:28 Samson Tu, <sw...@st...> wrote:

> The example Steve posted on the Protégé-user mailing list is
>
> oslc:allowedValue
>   a rdf:Property ;
>   rdfs:isDefinedBy oslc: ;
>   rdfs:label "allowedValue" ;
>   rdfs:comment "Specifies the allowed values for a property (may be more
> than one)." .
>
> I downloaded the ontology from
> https://docs.oasis-open-projects.org/oslc-op/core/v3.0/os/core-vocab.ttl
>
> After loading it in Protégé and saving it as a turtle-syntax
> serialisation, the output file contains
>
> #################################################################
> #    Annotations
> #################################################################
>
> oslc:allowedValue rdfs:comment "Specifies the allowed values for a
> property (may be more than one)." ;
>                   rdfs:isDefinedBy <http://open-services.net/ns/core#>
> <http://open-services.net/ns/core#> ;
>                   rdfs:label "allowedValue” .
> However, iclc: allowedValue is not declared as an annotation property,
> which I find surprising. oclc:allowedValue is not declared an OWL entity at
> all and is visible in Protégé. Is that the expected behavior?
>

In retrospect, I think yes. rdf:Property is getting ignored and the
remaining triples look just like an individual with a few annotations. I'm
not sure if the type should be kept or discarded, in this case.
I.


>
> Thank you.
>
> With best regards,
> Samson
>
>
> On Jan 20, 2025, at 3:12 PM, Ignazio Palmisano <
> ipa...@gm...> wrote:
>
> Hi,
> The list is quite low traffic these days so I'm not sure how many people
> still read ot actively.
>
> OWLAPI doesn't do transformations from rdfs vocabulary, really - there are
> equivalences between some rdf/rdfs vocabulary and owl vocabulary, like
> rdfs:Class and owl:Class.
> But rdf: Property doesn't map to data or object properties, which I guess
> is what you're seeing. An example would help.
>
> Cheers,
> Ignazio
>
> On Mon, 20 Jan 2025, 23:01 Steve Vestal via Owlapi-developer, <
> owl...@li...> wrote:
>
>> Someone in the Protege list referred me to you for questions about the
>> relationship between OWLAPI and "OWL 2 Web Ontology Language RDF-Based
>> Semantics."  When an ontology using that standard is loaded in Protege,
>> classes and individuals are listed, but not the properties.  It appears
>> OWLAPI makes some transformations of an input file, e.g., rdfs:Class
>> will be transformed to owl:Class.   Are there OWLAPI configuration
>> settings or APIs for transformations?  Do the OWLAPI transformations
>> relate in some way to the above standard, e.g., recognize some of their
>> axiomatic triples and do some of their OWL 2 RDF-Based Semantics to OWL
>> 2 Direct Semantics transforms?
>>
>>
>>
>> _______________________________________________
>> Owlapi-developer mailing list
>> Owl...@li...
>> https://lists.sourceforge.net/lists/listinfo/owlapi-developer
>>
> _______________________________________________
> Owlapi-developer mailing list
> Owl...@li...
> https://lists.sourceforge.net/lists/listinfo/owlapi-developer
>
>
> _______________________________________________
> Owlapi-developer mailing list
> Owl...@li...
> https://lists.sourceforge.net/lists/listinfo/owlapi-developer
>