//new TypePathExtractor(IdentifiedAnnotation.class, "stem"),
new ProliferatingExtractor(
new SpannedTextExtractor(),
new LowerCaseProliferator(),
new CapitalTypeProliferator(),
new NumericTypeProliferator(),
new CharacterNGramProliferator(fromRight, 0, 2),
new CharacterNGramProliferator(fromRight, 0, 3)));
// a list of feature extractors that require the token and the sentence
this.contextFeatureExtractors = new ArrayList<ContextExtractor<IdentifiedAnnotation>>();