在以下代码中,ValidityReport 始终有效;没有检测到不一致。我希望它应该给我一个警告,因为我正在为 FOAF 文件提供姓氏。为什么没有检测到不一致?
Model model = ModelFactory.createDefaultModel();
OntModel m = ModelFactory.createOntologyModel();
m.read(FOAF.NS);
Resource persona = model.createResource("http://www.example.org/rdf#Persona", FOAF.Document);
persona.addProperty(FOAF.family_name, "18", XSDDatatype.XSDint);
InfModel infModel = ModelFactory.createRDFSModel(m, model);
ValidityReport validity = infModel.validate();
if (validity.isValid()) {
System.out.println("Valid!");
} else {
System.out.println("Conflicts");
for (Iterator<Report> in = validity.getReports(); in.hasNext();) {
System.out.println(" - " + in.next());
}
}