Kevin; Not sure what is meant by "...where ?p1 and ?p2 are different
". For your query to work, there needs to be a triples with an
explicit owl:differentFrom property.
The query you give should work, and is equivalent to the following
(that has many advantages other than being simpler):
SELECT ?p1 ?p2 ?f
WHERE {
?p1 sioc:follows ?f .
?p2 sioc:follows ?f .
?p1 owl:differentFrom ?p2 .
}
-- Scott
On May 13, 1:41 pm, Kevin <[email protected]> wrote:
> Running sparql in topbraid composer the following doesnt work:
>
> SELECT ?p1 ?p2 ?f
> WHERE {
> ?p1 sioc:follows ?f .
> {
> SELECT ?p2 ?f
> WHERE {
> ?p2 sioc:follows ?f .
> }
> }
> ?p1 owl:differentFrom ?p2 .
>
> }
>
> If I remove the line ?p1 owl:differentFrom ?p2 . it returns a list of
> results include ones where ?p1 and ?p2 are different
>
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