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[英]OWLAPI : Want to get inferred axioms from ontology using HermiT reasoner
[英]Get Inferred Object Property Assertions Hermit Reasoner
假設我在 Protege 中創建了一些本體,並且有一個具有某些對象屬性的類的實例,以及一個對象屬性列表,如下圖所示:
對象屬性的層次結構如下:
現在,當我打開 Reasoner (Hermit) 時,我會為同一個人獲得以下斷言對象屬性:
當我點擊推斷對象屬性“dependsUp”客戶的解釋時,我得到:
我的問題是如何使用 Java 生成它? 我已經可以通過以下方式獲得某些個人的推斷對象屬性(為了簡潔起見,此處不完整,但它可以像我測試的那樣工作):
for (OWLNamedIndividual namedIndividual : this.ontology.getIndividualsInSignature()) {
if (subjectName.equals(namedIndividual.getIRI().getFragment())) {
OWLObjectProperty objectProperty = fac.getOWLObjectProperty(IRI.create(propertyIRI));
NodeSet<OWLNamedIndividual> namedIndividualSet = reasoner.getObjectPropertyValues(namedIndividual ,objectProperty);
for (Node<OWLNamedIndividual> namedIndividualsInObjectPropertySet : namedIndividualSet) {
for (OWLNamedIndividual namedIndividualForObjectPropertySet : namedIndividualsInObjectPropertySet) {
for (OWLClassExpression owlClass : namedIndividualForObjectPropertySet.getTypes(this.ontology)){
if (owlClass.toString().split("#")[1].replace(">", "").equals(archiClass)) {
result.add(OWLOntologyUtils.getHumanInstanceName(this.ontology, namedIndividualForObjectPropertySet.getIRI().getFragment()));
// Result contains all the inferred object properties shown in the above pictures, so this code works. How can I access the explanation for one of the inferred object properties by the reasoner here?
}
}
}
}
}
}
您可以使用InferredObjectPropertyAxiomGenerator
:
InferredObjectPropertyAxiomGenerator generator = new InferredObjectPropertyAxiomGenerator();
generator.createAxioms(owldatafactory, reasoner);
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