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:
public static void main(String[] args) {
// Initialize system functions and templates
SPINModuleRegistry.get().init();
// Load main file
Model baseModel = ModelFactory.createDefaultModel();
String folder="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
OntModel ontModel = JenaUtil.createOntologyModel(OntModelSpec.OWL_MEM,
baseModel);
// Create and add Model for inferred triples
Model newTriples = 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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