On 24/03/2017 23:51, Ilya Ushakov wrote:
Hi everyone,
I need to have calculated field on skos:concept named displayLabel.
The value of displayLabel should be concatenation of "skos:prefLabel"
and "comment" fields.
For this goal I made next:
1. Created comment and displayLabel properties
Both of them have:
rdf:type owl:DatatypeProperty.
rdfs:domain skos:Concept.
rdfs:range xsd:string
2. On skos:Concept I created spin:rule:
CONSTRUCT {
?this tr:displayLabel ?displayLabel .
}
WHERE {
BIND (trevn:displayLabelVal(?this) AS ?displayLabel) .
BIND (smf:trace("INFO: displayLabel {?1}", ?displayLabel) AS
?dummy) .
}
the code of magicProperty trevn:displayLabelVal:
SELECT ?displayLabel
WHERE {
?arg1 skos:prefLabel ?label .
OPTIONAL {
?arg1 trevn:comment ?comment .
} .
BIND (smf:if(bound(?comment), smf:buildString("{?label}
{?comment}"), ?label) AS ?displayLabel) .
}
3. I created test taxonomy and open it in TopBraid Composer.
When i run inside TopBraidComposer (Inference->Run Inference)
everything works fine.
4. When it runs inside EVN (after deploying), nothing is happening.
I even see nothing in tomcat logs.
Apparently spin:rule was not being executed.
I added graph with my properties to "includes" on General tab of
taxonomy, but there were no any effects.
So, is it possible to run spin:rules on skos:Concept instances? If,
yes, what i did wrong?
EVN does not automatically execute SPIN rules. As Irene indicates, if
you define a magic property with suitable rdfs:domain then this will be
shown on forms and computed on the fly.
Holger
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