Hi Scott, Holger,
I (now) understand why it is not show in the computed class tree.
However, my opinion is that there are things that would be nice to be visible
that are not subClassOf.(or as Holger proposed: instance of rdfs:Datatype).
Till now there were not really interesting things like that but with OWL2
proposing to model a user-defined enumeration type as: (owl2 primer,
syntax=rdf/xml, chapter 7 fragment):
"
Moreover, a new datatype can be generated by just enumerating the data values
it contains.
RDF/XML Syntax
<rdf:Description rdf:about="toddlerAge">
<owl:equivalentClass>
<rdfs:Datatype>
<owl:oneOf>
<rdf:Description>
<rdf:first rdf:datatype="&xsd;integer">1</rdf:first>
<rdf:rest>
<rdf:Description>
<rdf:first rdf:datatype="&xsd;integer">2</rdf:first>
<rdf:rest
rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
</rdf:Description>
</rdf:rest>
</rdf:Description>
</owl:oneOf>
</rdfs:Datatype>
</owl:equivalentClass>
</rdf:Description>
"
We have something now that is very usefull to show that does not have a
subClassOf property
Of course we can do tricks (make it ALSO a subclass of xsd:string (then you see
it as subclass of xsd:string in the tree directly) or replace rdf:Description
by rdfs:Datatype (then you see it as instance of rdfs:Datatype in the tree
indirectly).
But I just don't like to do tricks, just because TBC does not show it
without....or mabe you have the opinion that the OWL2 Primer is actually wrong
in this case?
Cheers, Michel
-----Original Message-----
From: Scott Henninger [mailto:[email protected]]
Sent: donderdag 26 november 2009 17:53
To: TopBraid Composer Users
Subject: [tbc-users] Re: ANN: TopBraid Suite 3.2.1
Michel; The GUI (Classes view) displays a tree computed from rdfs:subClassOf
properties. E.g. 'xsd:string rdfs:subClassOf rdfs:Resource'. The example you
give is valid RDF/XML and is fully accepted by Composer, but Holger's point is
that without a rdfs:subClassOf relationship, there is no way it can be
displayed in the Classes view.
As further illustration, open the kennedys example, right-click on the :parent
property and choose 'Show in Associations View'. The result is a tree
hierarchy that is laid out precisely the same way the Classes view is, but
using the :parent property instead of rdfs:subClassOf. I.e. the Classes view
is an association view using rdfs:subClassOf and having that property is
essential to appearing in the view.
-- Scott
On Nov 26, 5:30 am, "Bohms, H.M. (Michel)" <[email protected]>
wrote:
> More info:
>
> If I do it exactly acc. to the primer that is:
>
> <rdf:Description
> rdf:about="http://www.bimtoolset.org/ontologies/vabi/datatypes.owl#Env
> ironmentType">
> <rdfs:equivalentClass>
> <rdfs:Datatype>
> <owl:onDatatype
> rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
> <owl:oneOf rdf:parseType="Resource">
> <rdf:rest rdf:parseType="Resource">
> <rdf:rest rdf:parseType="Resource">
> <rdf:rest
> rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
> <rdf:first
> rdf:datatype="http://www.w3.org/2001/XMLSchema#string";
> >city</rdf:first>
> </rdf:rest>
> <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#string";
> >rough</rdf:first>
> </rdf:rest>
> <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#string";
> >open</rdf:first>
> </owl:oneOf>
> </rdfs:Datatype>
> </rdfs:equivalentClass>
> </rdf:Description>
>
> It completely seems to disappear from the GUI (also in preferences
> there is no way to show rdf:Description's)
>
> Michel
>
> -----Original Message-----
> From: Bohms, H.M. (Michel) [mailto:[email protected]]
> Sent: donderdag 26 november 2009 9:43
> To: [email protected]
> Subject: RE: [tbc-users] Re: ANN: TopBraid Suite 3.2.1
>
> Hi Holger,
>
> I think I have not been clear enough... :)
>
> I follow exactly the primer now for datatypes (and as it is now supported by
> your latest update). So I DO NOT use subClasOf anymore (so there is nothing
> to delete like this...).
>
> An example clarifies maybe:
>
> 1. I have defined
>
> <owl:DatatypeProperty
> rdf:about="http://www.bimtoolset.org/ontologies/vabi/environment.owl#e
> nvironment...">
> <rdfs:domain
> rdf:resource="http://www.bimtoolset.org/ontologies/vabi/environment.ow
> l#Environment"/>
> <rdfs:range
> rdf:resource="http://www.bimtoolset.org/ontologies/vabi/datatypes.owl#
> EnvironmentType"/>
> </owl:DatatypeProperty>
>
> 2. Contrl-click on the range (being EnvironmentType, capital first letter)
> gives:
>
> <rdfs:DataType
> rdf:about="http://www.bimtoolset.org/ontologies/vabi/datatypes.owl#Env
> ironmentType">
> <rdfs:equivalentClass>
> <rdfs:Datatype>
> <owl:onDatatype
> rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
> <owl:oneOf rdf:parseType="Resource">
> <rdf:rest rdf:parseType="Resource">
> <rdf:rest rdf:parseType="Resource">
> <rdf:rest
> rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#nil"/>
> <rdf:first
> rdf:datatype="http://www.w3.org/2001/XMLSchema#string";
> >city</rdf:first>
> </rdf:rest>
> <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#string";
> >rough</rdf:first>
> </rdf:rest>
> <rdf:first rdf:datatype="http://www.w3.org/2001/XMLSchema#string";
> >open</rdf:first>
> </owl:oneOf>
> </rdfs:Datatype>
> </rdfs:equivalentClass>
> </rdfs:DataType>
>
> As you can see I use equivalentClass now iso subClassOf.
>
> 3. Now the question is: where to see this EnvironmentType userdefined
> datatype in the class tree in the GUI?
>
> (I DO see the INNER rdfs:datatpe as instance of rdfs:datatype; but I'd like
> to see the outer EnvironmentType datatype somewhere....).
>
> Apologies upfront because it must be something small and stupid from my
> side...the strange thing however is that I also do not see the outer datatype
> as instance of rdfs:datatype. Nor do I see it appear as equivalentClass at
> the inner class.....hmmmmm....
>
> Thx again, Michel
>
> TNO.NL
>
> Michel Böhms
>
> Consultant Building Innovation
>
> TNO Built Environment and Geosciences
>
> Van Mourik Broekmanweg 6 | PO Box 49
>
> 2600 AA | Delft | The Netherlands
>
> Tel +31 15 2763107
>
> E-mail [email protected]
>
> Webhttp://www.linkedin.com/in/michelbohms
>
> Skype name michelbohms
>
> Disclaimer
>
> -----Original Message-----
> From: Holger Knublauch [mailto:[email protected]]
> Sent: woensdag 25 november 2009 18:06
> To: [email protected]
> Subject: Re: [tbc-users] Re: ANN: TopBraid Suite 3.2.1
>
> > Otherwise they should show up on top level, under rdfs:Resource.
>
> >> this is what I want! But how can I make them show up? (they do not
> >> now...)
>
> Just remove the rdfs:subClassOf triple then. Or explicitly add my:Datatype
> rdfs:subClassOf rdfs:Resource. They are just classes after all, and behave
> like other classes in the tree...
>
> Holger
>
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