Your example says:
<http://example.org/ruletry> rdf:type owl:Ontology ;
To import that ontology into another, one would have to say:
<…> owl:imports <http://example.org/ruletry>.
The SHACL document says:
<http://www.w3.org/ns/shacl#> rdf:type owl:Ontology ;
To import the SHACL ontology, one thus has to say:
<…> owl:imports <http://www.w3.org/ns/shacl#>.
If I wanted to import both, I might have:
@prefix sh: <http://www.w3.org/ns/shacl#>.
@prefix ruletry: <http://example.org/ruletry#>.
<…>
owl:imports <http://example.org/ruletry>.
owl:imports <http://www.w3.org/ns/shacl#>.
As you can easily see, one of those imports can be abbreviated, the other one
can’t.
Richard
> On 26 Oct 2017, at 11:37, Bohms, H.M. (Michel) <[email protected]> wrote:
>
> Well that was exactly the reason why I triggered….
>
> In:
>
> # baseURI: http://example.org/ruletry <http://example.org/ruletry>
> # imports: http://www.w3.org/ns/shacl# <http://www.w3.org/ns/shacl#>
> # prefix: ruletry
>
> @prefix owl: <http://www.w3.org/2002/07/owl#
> <http://www.w3.org/2002/07/owl#>> .
> @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
> <http://www.w3.org/1999/02/22-rdf-syntax-ns#>> .
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#
> <http://www.w3.org/2000/01/rdf-schema#>> .
> @prefix ruletry: <http://example.org/ruletry# <http://example.org/ruletry#>> .
> @prefix sh: <http://www.w3.org/ns/shacl# <http://www.w3.org/ns/shacl#>> .
> @prefix xsd: <http://www.w3.org/2001/XMLSchema#
> <http://www.w3.org/2001/XMLSchema#>> .
>
> <http://example.org/ruletry <http://example.org/ruletry>>
> rdf:type owl:Ontology ;
> owl:imports sh: ;
> owl:versionInfo "Created with TopBraid Composer" ;
> .
>
> You know see that the import is actually having the # because of the prefix
> method.
> Where it usually does not have this # normally…..
>
>
> So…? Why then is it ok in this case?
>
>
>
>
>
>
>
> Dr. ir. H.M. (Michel) Böhms
> Senior Data Scientist
>
> T +31888663107
> M +31630381220
> E [email protected] <mailto:[email protected]>
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> From: [email protected]
> [mailto:[email protected]] On Behalf Of Richard Cyganiak
> Sent: donderdag 26 oktober 2017 12:30
> To: [email protected]
> Subject: Re: [topbraid-users] shacl rule inference
>
>
> On 26 Oct 2017, at 10:23, Bohms, H.M. (Michel) <[email protected]
> <mailto:[email protected]>> wrote:
>
> And as a kind of consistency-freak I then ask immediately: why one time
> prefix only and in same list full uri for others ……
>
> That’s usually because the namespace URI defined in @prefix has an extra
> trailing character (hash or slash) that the imported URI doesn’t have. So the
> imported URI cannot be abbreviated with that prefix. For example:
>
> @prefix ex: <http://example.org/ <http://example.org/>o
> <http://example.org/o>ntology1# <http://example.org/>>.
> <> owl:imports <http://example.org/o <http://example.org/o>ntology1>.
>
> Richard
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