object of property shall be of an XML Schema datatype

Hi,
 
I am struggling with the question how to define a Restriction (or else)
telling that the object of a particular property shall be an xsd:float, or
any other XML Schema datatype.
 
For example:
 
    <rdfs:subClassOf>
     <owl:Restriction>
         <owl:onProperty rdf:resource="#value"/>
         <owl:allValuesFrom
rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
     </owl:Restriction>
   </rdfs:subClassOf>

allValuesFrom expects a resource, and xsd:float isn't that.
There must be a simple solution for this common problem.
 
Any suggestions?
 
Regards,
Hans
 
____________________
OntoConsult
Hans Teijgeler
ISO 15926 specialist
Netherlands
+31-72-509 2005
www.InfowebML.ws
hans.teijgeler@quicknet.nl
 

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