public static void main(String args[]) {
String filename = "example5.rdf";
// Create an empty model
OntModel model = ModelFactory.createOntologyModel(OntModelSpec.RDFS_MEM);
// Use the FileManager to find the input file
InputStream in = FileManager.get().open(filename);
if (in == null) throw new IllegalArgumentException("File: " + filename + " not found");
// Read the RDF/XML file
model.read(in, null);
// Create a new class named "Researcher"
OntClass researcher = model.createClass(ns + "Researcher");
// ** TASK 6.1: Create a new class named "University" **
OntClass university = model.createClass(ns + "University");
// ** TASK 6.2: Add "Researcher" as a subclass of "Person" **
model.getOntClass(ns + "Person").addSubClass(researcher);
// ** TASK 6.3: Create a new property named "worksIn" **
Property worksIn = model.createProperty(ns + "worksIn");
// ** TASK 6.4: Create a new individual of Researcher named "Jane Smith" **
Individual jane = researcher.createIndividual(ns + "JaneSmith");
// ** TASK 6.5: Add to the individual JaneSmith the fullName, given and family names **
jane.addProperty(VCARD.FN, "Jane Smith");
jane.addProperty(VCARD.Given, "Jane");
jane.addProperty(VCARD.Family, "Smith");
// ** TASK 6.6: Add UPM as the university where John Smith works **
Individual john = model.getIndividual(ns + "JohnSmith");
Individual upm = university.createIndividual(ns + "UPM");
john.addProperty(worksIn, upm);
model.write(System.out, "RDF/XML-ABBREV");
}
