/**
* Load configuration (only used by constructor)
*
* @param config
*/
private void loadConfiguration(MeteorConfiguration config) {
language = config.getLanguage();
langID = config.getLangID();
setNormalize(config.getNormalization());
ArrayList<Double> parameters = config.getParameters();
alpha = parameters.get(0);
beta = parameters.get(1);
gamma = parameters.get(2);
delta = parameters.get(3);
moduleWeights = config.getModuleWeights();
aligner =
new Aligner(
language,
config.getModules(),
config.getModuleWeights(),
config.getBeamSize(),
config.getWordDirURL(),
config.getSynDirURL(),
config.getParaDirURL(),
// Best alignments for evaluation
Constants.PARTIAL_COMPARE_TOTAL);
// Best weights for evaluation
ArrayList<Integer> modules = config.getModules();
ArrayList<Double> setWeights = new ArrayList<Double>();
for (int module : modules) {
if (module == Constants.MODULE_EXACT) setWeights.add(1.0);
else if (module == Constants.MODULE_STEM) setWeights.add(0.5);
else if (module == Constants.MODULE_SYNONYM) setWeights.add(0.5);
else setWeights.add(0.5);
}
aligner.updateModuleWeights(setWeights);
charBased = config.getCharBased();
}
/**
* Get the Meteor sufficient statistics for a test / reference pair
*
* @param test
* @param reference
* @return
*/
public MeteorStats getMeteorStats(String test, String reference) {
// Normalize both
if (normalize) {
test = Normalizer.normalizeLine(test, langID, keepPunctuation);
reference = Normalizer.normalizeLine(reference, langID, keepPunctuation);
}
// Lowercase both
if (lowerCase) {
test = test.toLowerCase();
reference = reference.toLowerCase();
}
// Score
Alignment alignment = aligner.align(test, reference);
return getMeteorStats(alignment);
}
/**
* Get the Meteor sufficient statistics for a test give a list of references
*
* @param test
* @param references
* @return
*/
public MeteorStats getMeteorStats(String test, ArrayList<String> references) {
// Normalize test
if (normalize) test = Normalizer.normalizeLine(test, langID, keepPunctuation);
if (lowerCase) test = test.toLowerCase();
MeteorStats stats = new MeteorStats();
stats.score = -1;
// Score each reference
for (String reference : references) {
// Normalize reference
if (normalize) reference = Normalizer.normalizeLine(reference, langID, keepPunctuation);
if (lowerCase) reference = reference.toLowerCase();
Alignment alignment = aligner.align(test, reference);
MeteorStats curStats = getMeteorStats(alignment);
if (curStats.score > stats.score) stats = curStats;
}
return stats;
}
/**
* Get stats when test and reference are already tokenized and normalized (Make sure you know what
* you're doing)
*
* @param test
* @param reference
* @return
*/
public MeteorStats getMeteorStats(ArrayList<String> test, ArrayList<String> reference) {
Alignment alignment = aligner.align(test, reference);
return getMeteorStats(alignment);
}
/**
* Update module weights without reloading resources. This is used for tuning and is likely not
* needed for most applications
*
* @param moduleWeights
*/
public void updateModuleWeights(ArrayList<Double> moduleWeights) {
aligner.updateModuleWeights(moduleWeights);
}