In the W3C LBD we are comparing different ways of modelling (complex)
properties.
One option:
ex:Height rdf:type bs:PropertyType ;
bs:hasQuantity cdt:length .
ex:Door_1 rdf:type ex :Door ;
bs:hasProperty ex:Height_1 .
ex:Height_1 rdf:type bs:Property ;
bs:hasPropertyType ex:Height ;
bs:hasValueUnit "2.40 m"^^cdt:length .
but some people think the XType modelling is too much. So they like to just
specialise bs:Property into ex:Height resulting in:
ex:Height rdfs:subClassOf bs:Property ;
rdfs:subClassOf [ rdf:type owl:Restriction ;
owl:hasValue "cdt:length" ;
owl:onProperty bs:hasQuantity ; ] .
ex:Door_1 rdf:type ex :Door ;
bs:hasProperty ex:Height_1 .
ex:Height_1 rdf:type ex:Height ;
bs:hasValueUnit "2.40 m"^^cdt:length .
so the original:
bs:hasQuantity cdt:length .
becomes a restriction in the second option.
BUT...as can be seen instead of just
cdt:length
I have to specify
"cdt:length" with quotes (just cdt:length does not work in tbc)
(the range of hasQuantity is rdfs:Datatype)
In the constraint.
Is this actually doing what I intended?
Thx Michel
Ps related to my earlier OWL Full question, guess an OWL Full option could also
be:
ex:Height rdfs:subClassOf bs:Property ;
owl:hasQuantity cdt:length .
Dr. ir. H.M. (Michel) Böhms
Senior Data Scientist
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