Ok, that sounds like a new topic, so I have changed the subject line :)
In order to set a default value for a property, and have this default
value used by EVN, you can use SHACL in TopBraid 5.3. Create a property
constraint such as in the following screenshot:
Any newly created instance of the class (here: Concept) will have false
as the default value for that property. Already existing instances
created before the constraint was defined remain unaffected.
Alas, I just noticed that this is not handled correctly in the beta
release of 5.3, in case you relied on that. It should work there in the
Ontology editor already.
Does this look similar to what you have tried?
HTH
Holger
On 28/03/2017 18:10, Ilya Ushakov wrote:
Additionally,
I would like to create new property of xsd:boolean type for skos:Concept.
I need that the property has false value by default.
I created field with:
rdf:type: rdf:Property
rdfs:domain skos:Concept
rdfs:range xsd:boolean.
I added sh:defaultValue property and set it to false.
But in evn default value hasn;t been appeared.
So, Is it possible to add new property with default value?
On Tuesday, March 28, 2017 at 8:15:55 AM UTC+2, Ilya Ushakov wrote:
Hi Holger,
Yes. I did it. Everything works fine. Thank you for your advice
On Friday, March 24, 2017 at 2:51:36 PM UTC+1, 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?
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