To be clearer, the resulting OWL RDF has rdf:datatype="http://www.w3.org/2001/XMLSchema#string"; attributes, and then tdbdump shows ^^ suffixes.
On Fri, Dec 10, 2010 at 12:20 PM, Benson Margulies <[email protected]> wrote: > Andy, > > I'm having trouble getting rid of all my ^^ noise. > > I run Jena schemagen against an Ontology that has no type annotations, > I don't see any in the output of schemagen, but calls to > > entityRef = model.createIndividual(entityUri, oclass); > entityRef.addLiteral(Rex.hasEntityDetectionSource, source); > entityRef.addLiteral(Rex.hasNormalizedText, normalizedText); > entityRef.addLiteral(Rex.hasOriginalText, rawText); > > end up adding the ^^ and the string data type. > > I suppose I'm missing something stupid? > > > On Fri, Dec 10, 2010 at 11:53 AM, Andy Seaborne > <[email protected]> wrote: >> >> >> On 10/12/10 16:39, Benson Margulies wrote: >>> >>> Protege persuaded me to put types in my Ontology. So (as viewed by >>> tdbdump), I have quads like: >>> >>> <urn:basistech.com:analysis#9> >>> <http://www.basistech.com/ontologies/2010/6/rex.owl#hasOriginalText> >>> "Fredrick Chopin"^^<http://www.w3.org/2001/XMLSchema#string> >>> <urn:misc-test> . >>> >>> should the following sparql match that? >>> >>> SELECT ?x where { ?x >>> <http://www.basistech.com/ontologies/2010/6/rex.owl#hasOriginalText> >>> "Fredrick Chopin" } >> >> Not in TDB. Simple literals (plain literals without language tag) do not >> match xsd:string. >> >> SELECT ?x where { ?x >> <http://www.basistech.com/ontologies/2010/6/rex.owl#hasOriginalText> >> "Fredrick Chopin"^^xsd:string >> } >> >> TDB could canonicalise the input to make "" and ""^^xsd:string the same. >> >> Andy >> >
