public SPhraseSpec getNLForTriple(Triple t) {
SPhraseSpec p = nlgFactory.createClause();
// process predicate then return subject is related to
if (t.getPredicate().isVariable()) {
if (t.getSubject().isVariable()) {
p.setSubject(t.getSubject().toString());
} else {
p.setSubject(getNPPhrase(t.getSubject().toString(), false));
}
p.setVerb("be related via " + t.getPredicate().toString() + " to");
if (t.getObject().isVariable()) {
p.setObject(t.getObject().toString());
} else {
p.setObject(getNPPhrase(t.getObject().toString(), false));
}
} else {
NLGElement subj;
if (t.getSubject().isVariable()) {
subj = nlgFactory.createWord(t.getSubject().toString(), LexicalCategory.NOUN);
} else {
subj =
nlgFactory.createWord(
uriConverter.convert(t.getSubject().toString()), LexicalCategory.NOUN);
}
// subj.setFeature(Feature.POSSESSIVE, true);
// PhraseElement np = nlgFactory.createNounPhrase(subj,
// getEnglishLabel(t.getPredicate().toString()));
p.setSubject(
realiser.realise(subj) + "\'s " + uriConverter.convert(t.getPredicate().toString()));
p.setVerb("be");
if (t.getObject().isVariable()) {
p.setObject(t.getObject().toString());
} else if (t.getObject().isLiteral()) {
p.setObject(t.getObject().getLiteralLexicalForm());
} else {
p.setObject(getNPPhrase(t.getObject().toString(), false));
}
}
p.setFeature(Feature.TENSE, Tense.PRESENT);
return p;
}
/**
* Takes a DBPedia class and returns the correct label for it
*
* @param className Name of a class
* @return Label
*/
public NPPhraseSpec getNPPhrase(String className, boolean plural) {
NPPhraseSpec object = null;
if (className.equals(OWL.Thing.getURI())) {
object = nlgFactory.createNounPhrase(GenericType.ENTITY.getNlr());
} else if (className.equals(RDFS.Literal.getURI())) {
object = nlgFactory.createNounPhrase(GenericType.VALUE.getNlr());
} else if (className.equals(RDF.Property.getURI())) {
object = nlgFactory.createNounPhrase(GenericType.RELATION.getNlr());
} else if (className.equals(RDF.type.getURI())) {
object = nlgFactory.createNounPhrase(GenericType.TYPE.getNlr());
} else {
String label = uriConverter.convert(className);
if (label != null) {
object = nlgFactory.createNounPhrase(label);
} else {
object = nlgFactory.createNounPhrase(GenericType.ENTITY.getNlr());
}
}
object.setPlural(plural);
return object;
}
