While writing a simple OWL ontology for describing some RDF data, I stumbled over the following three issues: 1) How do I state that any 'Measurement' must be an integer and may have one 'unit'? <foo> <rdf:type> <Foo> <foo> <length> <#_1> <#_1> <rdf:type> <Measurement> <#_1> <rdf:value> 42 <#_1> <unit> <Meter> 2) How do I state that any statement with a 'length' property is expected to have an author property? <rdf:Description rdf:about="urn:test:1"> <length rdf:ID="#_1">42</length> </rdf:Description> <rdf:Description rdf:about="#_1"> <author>Me</author> </rdf:Description> 3) What's the benefit of using owl:Thing instead of plain simple rdf:Description for describing data?Received on Friday, 6 February 2004 10:38:09 UTC
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