private static List<AnaphorWithReferent> parseText(InputText text) {
Annotation annotatedText = new Annotation(text.toString());
Container.getStanfordCoreNLP().annotate(annotatedText);
List<CoreMap> coreMapSentences = annotatedText.get(CoreAnnotations.SentencesAnnotation.class);
List<Tree> trees =
coreMapSentences
.stream()
.map(s -> s.get(TreeCoreAnnotations.TreeAnnotation.class))
.collect(Collectors.toList());
List<Sentence> allSentences =
IntStream.range(0, trees.size())
.mapToObj(
id ->
new Sentence(
id,
trees.get(id),
Container.getNPsFromParseTreeExtractor().extract(trees.get(id))))
.collect(Collectors.toList());
List<AnaphorWithReferent> anaphoraWithReferentFromAllSentences =
allSentences
.stream()
.map(s -> Container.getAllAnaphorWithReferentPerSentenceFinder().find(s, allSentences))
.flatMap(a -> a.stream())
.collect(Collectors.toList());
return anaphoraWithReferentFromAllSentences;
}
public List<Result> find(InputText inputText) {
List<Result> results = new ArrayList<>();
// int validSentences = inputText.getSentences().stream().mapToInt(s -> s.isValid() ? 1 :
// 0).sum();
// System.out.println(String.format("Total valid sentences to parse: %s/%s",
// validSentences, inputText.getSentences().size()));
List<AnaphorWithReferent> anaphorsWithReferents = parseText(inputText);
List<Result> resultsForText;
if (inputText.isTagged()) {
resultsForText = compareWithInputText(inputText, anaphorsWithReferents);
results.addAll(resultsForText);
} else {
resultsForText = generateResultsFromParsingResults(inputText, anaphorsWithReferents);
results.addAll(resultsForText);
}
System.out.println("Total of " + results.size() + " results for text: " + inputText.getId());
return results;
}
private static List<Result> generateResultsFromParsingResults(
InputText inputText, List<AnaphorWithReferent> anaphorsWithReferents) {
List<Result> results = new ArrayList<>();
for (AnaphorWithReferent anaphorWithReferent : anaphorsWithReferents) {
Result result =
new Result(inputText.getId(), anaphorWithReferent.getAnaphor().getSentence().getId());
result.setSentenceText(anaphorWithReferent.getAnaphor().getSentence().getText());
result.setPronoun(anaphorWithReferent.getAnaphor().toString());
result.setPronounTokenIndex(anaphorWithReferent.getAnaphor().getStartIndex());
result.setActualReferentStartIndex(anaphorWithReferent.getReferent().getStartIndex());
result.setActualReferentText(anaphorWithReferent.getReferent().toString());
result.setActualReferentSentenceId(anaphorWithReferent.getReferent().getSentence().getId());
results.add(result);
}
return results;
}
private static List<Result> compareWithInputText(
InputText inputText, List<AnaphorWithReferent> anaphorsWithReferents) {
List<Result> results = new ArrayList<>();
for (InputSentence inputSentence : inputText.getSentences()) {
if (!inputSentence.isValid()) {
continue;
}
List<Coref> pronominalCorefs = inputSentence.getPronominalCorefs();
Result result;
if (pronominalCorefs.size() == 0) {
result = new Result(inputText.getId(), inputSentence.getSentenceId());
result.setSentenceText(inputText.getSentenceById(inputSentence.getSentenceId()).toString());
result.setExpectedReferentSentenceId(null);
result.setExpectedReferentStartIndex(null);
result.setExpectedReferentText(null);
// Assuming only one
List<AnaphorWithReferent> anaphorsForSentence =
getAnaphorsForSentence(anaphorsWithReferents, inputSentence.getSentenceId());
if (anaphorsForSentence.size() == 0) {
continue;
}
AnaphorWithReferent anaphorForSentence = anaphorsForSentence.get(0);
// TODO: check if the same anaphor
NpTreeInSentence referent = anaphorForSentence.getReferent();
result.setActualReferentSentenceId(referent.getSentence().getId());
result.setActualReferentText(referent.toString());
result.setActualReferentStartIndex(referent.getStartIndex());
results.add(result);
continue;
}
for (Coref inputPronominal : pronominalCorefs) {
result = new Result(inputText.getId(), inputSentence.getSentenceId());
result.setSentenceText(inputText.getSentenceById(inputSentence.getSentenceId()).toString());
int sentenceId = inputPronominal.getSentenceId();
int pronominalIndex = inputPronominal.getStartIndex();
result.setPronoun(inputPronominal.toString());
result.setPronounTokenIndex(pronominalIndex);
List<Coref> expectedReferentsForPronominal =
inputText.getReferentsForPronominal(inputPronominal.getId());
if (expectedReferentsForPronominal.size() >= 1) {
// We take the first referent from the sentence.
List<String> corefs =
expectedReferentsForPronominal
.stream()
.map(c -> c.toString())
.collect(Collectors.toList());
List<Integer> sentenceIndices =
expectedReferentsForPronominal
.stream()
.map(c -> c.getSentenceId())
.collect(Collectors.toList());
List<Integer> startIndices =
expectedReferentsForPronominal
.stream()
.map(c -> c.getStartIndex())
.collect(Collectors.toList());
result.setExpectedReferentSentenceId(sentenceIndices);
result.setExpectedReferentText(corefs);
result.setExpectedReferentStartIndex(startIndices);
} else {
result.setExpectedReferentSentenceId(null);
result.setExpectedReferentText(null);
result.setExpectedReferentStartIndex(null);
}
updateResultWithActualReferents(
result, anaphorsWithReferents, sentenceId, pronominalIndex, inputPronominal);
results.add(result);
}
}
return results;
}
