/** Finds the lexical items used to produce the highest scoring parse. */
public List getMaxLexEntries() {
List result = new LinkedList();
for (ParseResult p : bestParses) {
result.addAll(p.getLexEntries());
}
return result;
}
/** Finds the lexical items used to produce the highest scoring parse with semantics sem. */
public List getMaxLexEntriesFor(Exp sem) {
List result = new LinkedList();
for (ParseResult p : findBestParses(allParses, sem)) {
result.addAll(p.getLexEntries());
}
return result;
}
/** Returns the features for the highest-score current parse(s). */
public HashVector getFeats() {
HashVector result = new HashVector();
// result.reset(theta.size(),0.0);
for (ParseResult p : bestParses) p.getFeats(result);
if (bestParses.size() > 1) result.divideBy(bestParses.size());
return result;
}
public boolean hasExp(Exp sem) {
for (ParseResult p : allParses) {
if (p.getExp().equals(sem)) {
return true;
}
}
return false;
}
/** Returns the features for the highest-score current parse with semantics that equal sem. */
public HashVector getFeats(Exp sem) {
HashVector result = new HashVector();
List<ParseResult> pr = findBestParses(allParses, sem);
for (ParseResult p : pr) {
p.getFeats(result);
}
if (pr.size() > 1) result.divideBy(pr.size());
return result;
}
private List<ParseResult> findBestParses(List<ParseResult> all, Exp e) {
List<ParseResult> best = new LinkedList<ParseResult>();
double bestScore = -Double.MAX_VALUE;
for (ParseResult p : all) {
if (p.getExp().inferType() != null) {
if ((e == null || p.getExp().equals(e))) {
if (p.getScore() == bestScore) best.add(p);
if (p.getScore() > bestScore) {
bestScore = p.getScore();
best.clear();
best.add(p);
}
}
}
}
return best;
}
private List<ParseResult> removeRepeats(List<ParseResult> all) {
System.out.println("----------------------- all.size equals to --------------" + all.size());
List<ParseResult> bestList = new LinkedList<ParseResult>();
for (int i = 0; i < all.size(); i++) {
ParseResult e_i = all.get(i);
boolean best = true;
for (int j = i + 1; j < all.size(); j++) {
ParseResult e_j = all.get(j);
if (e_i.getExp().equals(e_j.getExp()) && e_i.getScore() <= e_j.getScore()) {
best = false;
break;
}
}
if (best) bestList.add(e_i);
}
return bestList;
}