Hi Alison,
magic properties always have to use sp:arg1, sp:arg2 etc, so please
replace sp:arg with sp:arg1 (and use ?arg1) instead.
HTH
Holger
On 6/14/2013 0:32, Alison Callahan wrote:
Hello all,
I am using TopBraid Composer 4.2.0 Free Edition, installed using these
instructions: http://www.topquadrant.com/products/TB_EUM.html
I have created a magic property, let's call it :returnAB, that has
spin:constraint sp:arg and a spin:body like this:
SELECT ?a ?b
WHERE {
SERVICE <http://example.org/sparql> {
?thing :isLinkedTo *?arg* .
?thing :propertyA ?a .
?thing :propertyB ?b .
}
}
When I use this magic property in a SPARQL query in the TBC query
editor like this:
SELECT ?a ?b
WHERE {
<http://example.org/specificResource> :returnAB (?a ?b) .
}
it returns ALL ?a ?b for ALL resources, even though I restricted my
query to the URI <http://example.org/specificResource>.
When I copy the SPARQL query from the spin:body of :returnAB, restrict
it to <http://example.org/specificResource>, and execute it using the
query editor in TBC as follows:
SELECT ?a ?b
WHERE {
SERVICE <http://example.org/sparql> {
?thing :isLinkedTo <http://example.org/specificResource> .
?thing :propertyA ?a .
?thing :propertyB ?b .
}
}
I get the expected results just for things linked to
<http://example.org/specificResource>.
Why is the magic property not restricting ?a ?b results when a
resource URI is specified?
Thanks,
Alison
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