Hi Claudia,
I need more info - which rules does your file contain? Maybe the rules
rely on rdfs:subClassOf triples? TopBraid automatically infers some
additional rdfs:subClassOf triples that may not be present if you just
load a file in a stand-alone app.
Holger
On 2/26/2015 0:08, Claudia Grieco wrote:
Hi guys,
I'm experimenting with the SPIN API and I'm encountering some problems.
I'm using the same code from the Kennedy example, but the system makes
no inferences at all, while in Top Braid Composer Free it generated
more than 300 triples:
|
publicstaticvoidmain(String[]args){
// Initialize system functions and templates
SPINModuleRegistry.get().init();
// Load main file
ModelbaseModel =ModelFactory.createDefaultModel();
Stringfolder="C:\\myfolder\\";
baseModel.read(Paths.get(folder,"ontology.rdf").toUri().toString());//load
ontology
baseModel.read(Paths.get(folder,"rules.rdf").toUri().toString());//load
spin rules created with topbraid composer
baseModel.read(Paths.get(folder,"data.rdf").toUri().toString());//load ontology
instances on which to execute inferences
// Create OntModel with imports
OntModelontModel
=JenaUtil.createOntologyModel(OntModelSpec.OWL_MEM,baseModel);
// Create and add Model for inferred triples
ModelnewTriples =ModelFactory.createDefaultModel();
ontModel.addSubModel(newTriples);
// Register locally defined functions
SPINModuleRegistry.get().registerAll(ontModel,null);
// Run all inferences
SPINInferences.run(ontModel,newTriples,null,null,false,null);
System.out.println("Inferred triples: "+newTriples.size());//prints
zero inferred triples
}
|
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