It wholly depends on what the data in the triple store or file contains. Variable ?predicate
will match the predicate of the triple, and that predicate might be a datatype property or an object property in OWL, or neither of those if you're not querying an OWL ontology. Likewise, ?object
will match an RDF resource or a literal, again depending on what the data says.
SPARQL query on Protege 4.3
Question
The following query (preceded by relevant prefixes of course)
posed on an ontology (.owl
file) gives the object
properties or data
properties?
SELECT DISTINCT ?predicate
WHERE { ?subject ?predicate ?object }
Thank you,
Solution
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