Arthur,
one way of doing this is:
1) Create a subclass of rdfs:Resource, e.g. SSNType
2) Change the rdf:type of that to rdfs:Datatype
3) On the owl:equivalentClass field, type in:
xsd:string[pattern "d{3}-d{2}-d{4}"]
Or enter this as rdfs:subClassOf.
Cheers,
Holger
On May 20, 2010, at 3:03 PM, Arthur Keen wrote:
> I would like to create a social security type to demonstrate the creation of
> new types in composer and demonstrate the use of xsd:pattern
>
> I found 2 different examples, one from w3c and the other from a blog and they
> are different, and that is fine, because I only need one of them to work.
> How does one create a structure like the W3C example in Composer?
>
> #From w3c
> Declaration( Datatype( a:SSN ) )
> DatatypeDefinition(
> a:SSN
> DatatypeRestriction( xsd:string xsd:pattern "[0-9]{3}-[0-9]{2}-[0-9]{4}" )
> )
>
>
> DataPropertyRange( a:hasSSN a:SSN )
>
>
> #from a blog
> <SocialSecurityDatatype>
> rdfs:label "Social Security Type"@en ;
> owl:equivalentClass [
> a rdfs:Datatype ;
> owl:onDatatype xsd:string ;
> owl:withRestrictions ([xsd:pattern "d{3}-d{2}-d{4}"])
> ] .
>
>
>
>
>
>
>
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