public SrlVerbPredicateFeatures(String name) {
this.name = name;
this.base = new FeatureCollection(this.getName());
this.base.addFeatureExtractor(new AttributeFeature("predicate"));
this.base.addFeatureExtractor(WordFeatureExtractorFactory.pos);
this.base.addFeatureExtractor(VerbVoiceIndicator.STANFORD);
this.base.addFeatureExtractor(SubcategorizationFrame.STANFORD);
this.base.addFeatureExtractor(ChunkPropertyFeatureFactory.hasModalVerb);
this.base.addFeatureExtractor(ChunkPropertyFeatureFactory.isNegated);
this.base.addFeatureExtractor(new ParsePhraseType(ViewNames.PARSE_STANFORD));
ContextFeatureExtractor context = new ContextFeatureExtractor(1, true, false);
FeatureCollection tmp = new FeatureCollection("");
tmp.addFeatureExtractor(WordFeatureExtractorFactory.word);
tmp.addFeatureExtractor(WordFeatureExtractorFactory.pos);
tmp.addFeatureExtractor(
FeatureUtilities.conjoin(
WordFeatureExtractorFactory.word, WordFeatureExtractorFactory.pos));
context.addFeatureExtractor(tmp);
this.base.addFeatureExtractor(context);
this.base.addFeatureExtractor(LevinVerbClassFeature.instance);
}
private Set<Feature> getNgrams(List<String> list, String prefix) {
Set<Feature> feats = FeatureNGramUtility.getNgramsUnordered(list, ngramSize, transformer);
return FeatureUtilities.prefix(prefix, feats);
}
