// Punish chunks whose length is other than 3.
private static void discriminate(ChunkRanker ranker) {
ArrayList<LexChunk> chunks = ranker.getChunks();
for (LexChunk ch : chunks) {
int sz = ch.size();
double weight = sz - 3;
if (weight < 0) weight = -weight;
weight = 1.0 - 0.2 * weight;
// twiddle the confidence of the chunk
TruthValue tv = ch.getTruthValue();
SimpleTruthValue stv = (SimpleTruthValue) tv;
double confidence = stv.getConfidence();
confidence *= weight;
stv.setConfidence(confidence);
}
}
private static void prt_chunks(ArrayList<LexChunk> chunks) {
for (LexChunk ch : chunks) {
System.out.println(ch.toString());
}
System.out.println("\n======\n");
}