Hello all,
I am using TopBraid Composer Maestro version 3.5.1 in Ubuntu 11.04.
I am trying to execute a spin:rule for a subclass B that depends on triples
constructed by a spin:rule of its superclass A. Consider an example case
where I have the following spin:rule for the superclass A:
CONSTRUCT {
?this example:has_score ?x_score .
?x_score example:derives_from ?y_score .
?x_score example:has_value 0 .
}
WHERE {
?game example:has_part ?this .
?this example:has_smaller_part ?y .
?y example:has_score ?y_score .
BIND (smf:buildUniqueURI("example:{?this}_score") AS ?x_score) .
}
And this is the spin:rule for the subclass B:
DELETE {
?x_score example:has_value ?x_score_value .
}
INSERT {
?x_score example:has_value ?new_x_score_value .
}
WHERE {
?this example:has_score ?x_score .
?x_score example:has_value ?x_score_value .
?this example:has_smaller_part ?y .
?y example:has_score ?y_score .
?y_score example:has_value ?y_score_value .
?x_score example:derives_from ?y_score .
BIND ((?x_score_value + ?y_score_value) AS ?new_x_score_value) .
}
As you can hopefully see from this example, the spin:rule of class B
specifies triples constructed by the spin:rule of class A in its WHERE
clause. My question is: is this possible? When using TopSPIN for
inferencing, will the spin:rule of class B be able to query for triples
created by the spin:rule of class A? If not, can someone suggest an
alternative approach that would allow me to use triples created by one
spin:rule in another spin:rule?
Thanks,
Alison
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