protected Relatedness calcRelatedness(Concept synset1, Concept synset2) {
if (synset1 == null || synset2 == null) return new Relatedness(min, null, illegalSynset);
if (synset1.getSynset().equals(synset2.getSynset()))
return new Relatedness(max, identicalSynset, null);
return new Relatedness(0);
}
@Override
protected Relatedness calcRelatedness(Concept synset1, Concept synset2) {
StringBuilder tracer = new StringBuilder();
if (synset1 == null || synset2 == null) return new Relatedness(min, null, illegalSynset);
// Don't short-circuit!
// if ( synset1.getSynset().equals( synset2.getSynset() ) ) return new Relatedness( max );
StringBuilder subTracer = enableTrace ? new StringBuilder() : null;
List<Subsumer> lcsList = pathFinder.getLCSByPath(synset1, synset2, subTracer);
if (lcsList.size() == 0) return new Relatedness(min);
// TODO: investigate if these values are always valid for wn-jpn-0.9.0
int maxDepth = 1;
if (synset1.getPos().equals(POS.n)) {
maxDepth = 20;
} else if (synset1.getPos().equals(POS.v)) {
maxDepth = 14;
}
// System.out.println(lcsList);
int length = lcsList.get(0).length;
// int maxDepth = -1;
// for ( Depth lcs : lcsList ) {
//
// List<String> roots = getTaxonomies( lcs );
// for ( String root : roots ) {
// int depth = getTaxonomyDepth( root );
// if ( depth > maxDepth ) maxDepth = depth;
// }
//
// }
double score = -Math.log((double) length / (double) (2 * maxDepth));
if (enableTrace) {
tracer.append(subTracer.toString());
for (Subsumer lcs : lcsList) {
tracer.append("Lowest Common Subsumer(s): ");
tracer.append(
db.conceptToString(lcs.subsumer.getSynset()) + " (Length=" + lcs.length + ")\n");
}
}
return new Relatedness(score, tracer.toString(), null);
}
