public Instance buildWekaInstance(QAPair pair) {
double[] query = projector.transform(pair.getQueryList());
double[] answer = projector.transform(pair.getAnswerList());
double[] cosine = {projector.computeCosignSimilarity(query, answer), 0.0};
FastVector attributes = buildCosineAttributes();
Attribute label = (Attribute) attributes.lastElement();
Instances testInstances = new Instances("test", attributes, 1);
testInstances.setClass(label);
Instance example = new Instance(1, cosine);
testInstances.add(example);
example.setDataset(testInstances);
if (!pair.getLabel().equals("-1")) {
example.setClassValue(pair.getLabel());
} else {
example.setClassMissing();
}
return example;
}
public CosineSimilarityBayesNetClassifier() {
projector = SemanticSpaceProjector.newInstance();
}
