Leonard,
First, you could also run SELECT like the following to review what
restrictions to delete.
SELECT ?c ?r ?p ?o
WHERE {
?c rdfs:subClassOf ?r .
?r a owl:Restriction .
?r ?p ?o .
}
Gokhan
On 5/17/2011 12:06 PM, Irene Polikoff wrote:
Something like this should work
DELETE {?r ?p ?o .
?c rdfs:subClassOf ?r .}
WHERE {?r owl:onProperty ?prop.
?r ?p ?o .
?c rdfs:subClassOf ?r .}
I always recommend running CONSTRUCT before doing the delete. This way
you will be able to review all triples that are about to be deleted.
Irene
*From:*[email protected]
[mailto:[email protected]] *On Behalf Of *Leonard Jacuzzo
*Sent:* Tuesday, May 17, 2011 1:01 PM
*To:* [email protected]
*Subject:* [topbraid-users] SPARQL help.
Hi all,
Once again I would like to take advantage of your collective wisdom.
I have created an ontology with several hundred classes, which are
characterized by relations to restrictions on properties, i.e.,
anonymous classes. Unfortunately, once I was finished, I discovered
that I made a particular error for each class definition.
So I need to delete the erroneous triples and replace each with the
appropriate value for each.
My strategy was to select them all and then delete them all via
SPARQL. But I cannot figure out how to write the query as it involves
restrictions on properties and anonymous classes.
Each class has a subclass relation as follows:
rdfs:subClassOf
[ a owl:Restriction ;
owl:hasValue "0.087"^^xsd:string ;
owl:onProperty :hasBO_Target
]
Each will have a unique value as well.
So how do I find all of these triples?
Any help will be greatly appreciated.
Best wishes,
Leonard
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