在 2014年10月10日 22:25, Joshua TAYLOR 写道:
Are you asking how to get classes that don't have any (declared,
nontrivial, etc.) subclasses? You could do that with the Jena Model
API, but a SPARQL query here would be *very* simple:
select ?class where {
?leaf a rdfs:Class .
filter not exists { ?subleaf rdfs:subClassOf ?leaf }
}
Yes.
I don't find a convenient Jena Model API to do that. But the above
SPARQL query is really very simple.
Thank you very much.
On Fri, Oct 10, 2014 at 10:11 AM, Deyan Chen <[email protected]> wrote:
在 2014年10月10日 19:40, Joshua TAYLOR 写道:
On Thu, Oct 9, 2014 at 11:23 PM, Deyan Chen <[email protected]> wrote:
class view
What is class view?
Maybe my expression is not right. It means class hierarchical structure in
an ontology schema.
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