Sofia,
Could you send how your function and the function call looks like?
Also, if you want to get multiple results, then you cannot use a BIND
function, because a BIND function can only return one result set with
one result for a given input. I would instead suggest you to use a magic
predicate then, where a magic predicate would return multiple results.
I think Holger just sent a link about magic predicates in a separate
thread :-)
Gokhan
On 6/4/2011 7:17 AM, sofiangeletou wrote:
Hi all,
I am trying to work around the problem of iterating over a set of
objects as shown below.
SELECT ((SUM(?cond)) AS ?sum)
WHERE {
{
SELECT ?f
WHERE {
?arg3 hasFeature ?f .
?arg3 a objectType.
}
} .
?f a oubo:feature .
BIND (:isSatisfied(?f, ?arg1, ?arg2) AS ?cond) .
}
arg3 has an (unknown) number of features ?f and I want to see how many
of these satisfy the condition given ?arg1 and ?arg2. I have
implemented it as above and this works in sparql view where i
explicitly state the value of ?arg3:= :theArgIwant. But when I try to
parameterise it in a function in the way shown above i get all results
that apply to any instance of objectType instead of the ones that
apply on ?arg3.
Cannot I pass the function argument in a nested select? My other
alternative is to put the nested select in another function but then i
am stuck on the problem of iterating over these results.
Many thanks
Sofia
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