On Wednesday 27 September 2006 22:02, Max Völkel wrote:
> Hi Daniel, once upon a time, this [2] was the schema.
>
> I am not so sure, whether it still meets our generated data.
>
> If   you   look  at  a  current  export,  such  as  [1],  you  find  a
> self-documented piece of RDF, including schema-level information.

True. SMW uses very few properties for providing meta-data on the generated 
RDF data. All of those are owl:annotationProperties, and thus cannot be 
further described by other axioms in OWL DL. So its really just what you find 
in each generated file.

We still might want to change the URIs of those meta-properties, since they 
currently do not point to a useful spec. 

Best regards,

Markus

>
>
> [1] http://ontoworld.org/wiki/Special:ExportRDF/PUC-Rio
>
> > I'd like to know if you can send me the OWL schema used for Semantic
> > MediaWiki. I'm interested in its "meta-model". I looked around for it,
> > but could not find it...
> > If you have a graphical schema, that would do too.
>
> Kind regards,
>
>   Max Völkel
> --
> Dipl.-Inform. Max Völkel, Universität Karlsruhe / FZI
>             nepomuk.semanticdesktop.org
> [EMAIL PROTECTED]   +49 721 9654-854   www.xam.de
>
>
>
> ---- [2] ------
>
> @prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
> @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
> @prefix owl: <http://www.w3.org/2002/07/owl#> .
> @prefix smw: <http://smw.ontoware.org/2005/smw#> .
>
> smw:Documented a rdfs:Class
> ; rdfs:comment "everything that has a Wikipage. Documented instances have
> typed links and attributes" .
>
> smw:hasArticle a rdf:Property
> ; rdfs:domain smw:Documented
> ; rdfs:comment "applies to User, Template, Object, Attribute, TypedLink,
> Category, Image, Redirect" ; rdfs:range smw:Article
> ; owl:cardinality "1"
> .
>
>
> smw:hasType a rdf:Property
> ; rdfs:comment "Each Attribute can have a type, which determines how unit
> conversions are handled and which xsd datatype is used" ; rdfs:domain
> smw:Attribute
> # really article?
> ; rdfs:range  smw:Article
> ; owl:cardinality "1"
> .
>
> # concepts------------
>
> smw:Object a rdfs:Class
> ; rdfs:subClassOf smw:Documented
> .
>
> # attribute ----------
>
> smw:hasUnit a rdf:Property
> ; rdfs:domain smw:Attribute
> ; rdfs:range rdfs:Literal
> ; owl:cardinality "1"
> .
>
> smw:Attribute a rdfs:Class
> ; rdfs:subClassOf smw:Documented
> ; rdfs:comment "'.../wiki/' +':' + fragEncode('Attribute:area#km2')"
> .
>
> smw:Relation a rdfs:Class
> ; rdfs:subClassOf smw:Documented
> .
>
>
> # we map
> # hasCategory -> rdf:type
> # Category -> rdfs:subClassOf
>
>
> owl:sameAs a rdf:Property
> ; rdfs:domain smw:Documented
> ; rdfs:range  smw:Documented
> ; rdfs:comment "redirects are mapped ot this"
> ; owl:cardinality "1"
> .
>
> # multi-language
>
> smw:hasAlternativeConceptualisation a rdf:Property
> ; rdfs:domain smw:Documented
> ; rdfs:range  smw:Documented
> .
>
>
>
>
>
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-- 
Markus Krötzsch
Institute AIFB, University of Karlsruhe, D-76128 Karlsruhe
[EMAIL PROTECTED]        phone +49 (0)721 608 7362
www.aifb.uni-karlsruhe.de/WBS/     fax +49 (0)721 693  717

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