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[protege-owl] exception with SWRL->OWL using boolean datatype properties

Martin O'Connor martin.oconnor at stanford.edu
Mon May 12 16:50:38 PDT 2008


Can you send me the offending ontology. I presume you are using the 
latest beta. If not, you should upgrade to it if you intend to use SWRL 
extensively.

Martin

Franz, Barbara A wrote:

> I have two ontologies that I am importing into a new project.  
> Ontology_1 has individuals that I want to transfer to Ontology_2.  I 
> have written rules in SWRL that state that if there is an individual 
> in Ontology_1, Class_A , Property_A (datatype = Boolean), it will be 
> placed in Ontology_2, Class_B, Property_B, (datatype= boolean).  But I 
> am getting this error. 
>
>  
>
> Exception exporting knowledge to OWL: 
> edu.stanford.smi.protegex.owl.swrl.bridge.exceptions.DatatypeConversionException: 
> cannot convert value of type 'java.lang.Boolean' to String
>
>  
>
>  
>
> How do I work around this?
>
>  
>
> *Barb Franz*
>
>  
>
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