On 2020-12-09 6:55 pm, 'Bohms, H.M. (Michel)' via TopBraid Suite Users
wrote:
Ahh of course, thx
But…still strange my inferencing does not work…any tip welcome
With OWL RL profile, the SPIN engine will by default remove "redundant"
inferences after the engine finishes. Active this
Complete Mode to see the rdfs:subClassOf inferences too.
Holger
Dr. ir. H.M. (Michel) Bohms
Scientist Specialist
Structural Reliability
T +31 (0)88 866 31 07
M +31 (0)63 038 12 20
E [email protected] <mailto:[email protected]>
Location <http://www.tno.nl/locations/DTS>
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*Van:*[email protected]
<[email protected]> *Namens *Holger Knublauch
*Verzonden:* woensdag 9 december 2020 09:47
*Aan:* [email protected]
*Onderwerp:* Re: [topbraid-users] no superclass inference
Hi Michel,
this SPARQL engine is configured to only run on the asserted triples.
The usual mechanism to ask for instances of a given class is to use a
path expression:
?instance rdf:type/rdfs:subClassOf* $superClass
in your case
?Anomaly rdf:type/rdfs:subClassOf* anomaly:Anomaly
This computes the "inferences" on the fly.
HTH
Holger
On 2020-12-09 6:38 pm, 'Bohms, H.M. (Michel)' via TopBraid Suite Users
wrote:
I have a data file (anomalies-of-ijsselbridge.ttl)
With instances of subclasses of class Anomaly.
When I do:
*PREFIX*anomaly: <https://w3id.org/def/anomaly#>
<https://w3id.org/def/anomaly>
*PREFIX*rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
<http://www.w3.org/1999/02/22-rdf-syntax-ns>
*SELECT**
*WHERE*{
?Anomaly rdf:type anomaly:Anomaly .
?Anomaly anomaly:forPhysicalObject ?BridgePart .
?Anomaly anomaly:globalEffect ?GlobalEffect
}
Has no results since I first have to run the superclass inferences.
When I do that (or more generally run TopSpin) I do not get these
superclass instances.
Any idea what I could do wrong?
(query on subclass runs fine)
Thx a lot, Michel
Dr. ir. H.M. (Michel) Bohms
Scientist Specialist
Structural Reliability
T +31 (0)88 866 31 07
M +31 (0)63 038 12 20
E [email protected] <mailto:[email protected]>
Location <http://www.tno.nl/locations/DTS>
<http://www.tno.nl/>
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