Пример #1
0
 /** generate mention annotations (with entity numbers) based on the ACE entities and mentions. */
 static void addMentionTags(Document doc, AceDocument aceDoc) {
   ArrayList<AceEntity> entities = aceDoc.entities;
   for (int i = 0; i < entities.size(); i++) {
     AceEntity entity = entities.get(i);
     ArrayList<AceEntityMention> mentions = entity.mentions;
     for (int j = 0; j < mentions.size(); j++) {
       AceEntityMention mention = (AceEntityMention) mentions.get(j);
       // we compute a jetSpan not including trailing whitespace
       Span aceSpan = mention.head;
       // skip mentions in ChEnglish APF not aligned to any English text
       if (aceSpan.start() < 0) continue;
       Span jetSpan = new Span(aceSpan.start(), aceSpan.end() + 1);
       FeatureSet features = new FeatureSet("entity", new Integer(i));
       if (flags.contains("types")) {
         features.put("type", entity.type.substring(0, 3));
         if (entity.subtype != null) features.put("subtype", entity.subtype);
       }
       if (flags.contains("extents")) {
         String cleanExtent = mention.text.replaceAll("\n", " ");
         features.put("extent", AceEntityMention.addXmlEscapes(cleanExtent));
       }
       doc.annotate("mention", jetSpan, features);
     }
   }
 }
Пример #2
0
 /** write 'fileText' out as file 'XMLfileName' with ENAMEX tags for the names in the document */
 static void addENAMEXtags(Document doc, AceDocument aceDoc) {
   ArrayList<AceEntity> entities = aceDoc.entities;
   for (int i = 0; i < entities.size(); i++) {
     AceEntity entity = entities.get(i);
     ArrayList<AceEntityName> names = entity.names;
     for (int j = 0; j < names.size(); j++) {
       AceEntityName name = names.get(j);
       Span aceSpan = name.extent;
       Span jetSpan = new Span(aceSpan.start(), aceSpan.end() + 1);
       doc.annotate("ENAMEX", jetSpan, new FeatureSet("TYPE", entity.type));
     }
     // for 2004 we have to examine PRE mentions and decide which are names
     if (year.equals("2004")) {
       ArrayList<AceEntityMention> mentions = entity.mentions;
       for (int j = 0; j < mentions.size(); j++) {
         AceEntityMention mention = mentions.get(j);
         String htext = Resolve.normalizeName(mention.headText);
         String[] mentionName = Gazetteer.splitAtWS(htext);
         String preClass = preDict.get(htext.toLowerCase());
         if (mention.type.equals("PRE")) {
           if (gazetteer.isNationality(mentionName)
               || gazetteer.isLocation(mentionName)
               || "N".equals(preClass)) {
             Span aceSpan = mention.head;
             Span jetSpan = new Span(aceSpan.start(), aceSpan.end() + 1);
             doc.annotate("ENAMEX", jetSpan, new FeatureSet("TYPE", entity.type));
           } else if (preClass != null) {
             // do nothing
           } else {
             System.out.println(
                 "Unclassified PRE: " + mention.text + " {" + mention.headText + ")");
             unknownPre.add(htext.toLowerCase());
           }
         }
       }
     }
   }
 }
Пример #3
0
 static void addTimexTags(Document doc, AceDocument aceDoc) {
   List<AceTimex> timeExpressions = aceDoc.timeExpressions;
   for (AceTimex timex : timeExpressions) {
     AceTimexMention mention = (AceTimexMention) timex.mentions.get(0);
     Span aceSpan = mention.extent;
     Span jetSpan = new Span(aceSpan.start(), aceSpan.end() + 1);
     FeatureSet features = new FeatureSet();
     if (timex.val != null && !timex.val.equals("")) features.put("val", timex.val);
     if (timex.anchorVal != null && !timex.anchorVal.equals(""))
       features.put("anchor_val", timex.anchorVal);
     if (timex.anchorDir != null && !timex.anchorDir.equals(""))
       features.put("anchor_dir", timex.anchorDir);
     if (timex.set != null && !timex.set.equals("")) features.put("set", timex.set);
     if (timex.mod != null && !timex.mod.equals("")) features.put("mod", timex.mod);
     doc.annotate("timex2", jetSpan, features);
   }
 }
Пример #4
0
 /** generate mention annotations (with entity numbers) based on the ACE entities and mentions. */
 static void addMentionTags(Document doc, AceDocument aceDoc) {
   ArrayList<AceEntity> entities = aceDoc.entities;
   for (int i = 0; i < entities.size(); i++) {
     AceEntity entity = (AceEntity) entities.get(i);
     ArrayList<AceEntityMention> mentions = entity.mentions;
     for (int j = 0; j < mentions.size(); j++) {
       AceEntityMention mention = mentions.get(j);
       // we compute a jetSpan not including trailing whitespace
       Span aceSpan = mention.head;
       Span jetSpan = new Span(aceSpan.start(), aceSpan.end() + 1);
       FeatureSet features = new FeatureSet("entity", new Integer(i));
       if (showTypes) {
         features.put("type", entity.type.substring(0, 3));
         if (entity.subtype != null) features.put("subtype", entity.subtype);
       }
       doc.annotate("mention", jetSpan, features);
     }
   }
 }
Пример #5
0
  /** generate the dependency parse for a sentence, adding its arcs to 'relations'. */
  public static void parseSentence(Document doc, Span span, SyntacticRelationSet relations) {
    if (fsw == null) {
      System.out.println("DepParser:  no model loaded");
      return;
    }
    // System.out.println ("parseSentence:  " + doc.text(span));
    // run Penn part-of-speech tagger
    // JetTest.tagger.annotate(doc, span, "tagger");
    // build sentence
    List<Token> tokens = new ArrayList<Token>();
    List<Integer> offset = new ArrayList<Integer>();
    offset.add(0); // don't use 0th entry
    int tokenNum = 0;
    int posn = span.start();
    while (posn < span.end()) {
      tokenNum++;
      Annotation tokenAnnotation = doc.tokenAt(posn);
      for (String s : SPECIAL_TOKEN) {
        Vector<Annotation> va = doc.annotationsAt(posn, s);
        if (va != null && va.size() > 0) {
          tokenAnnotation = va.get(0);
          break;
        }
      }
      if (tokenAnnotation == null) return;
      String tokenText = doc.normalizedText(tokenAnnotation).replaceAll(" ", "_");
      Vector v = doc.annotationsAt(posn, "tagger");
      Annotation a = (Annotation) v.get(0);
      String pos = (String) a.get("cat");
      tokens.add(new Token(tokenText, pos, tokenNum));
      offset.add(posn);
      if (posn >= tokenAnnotation.end()) {
        break;
      }
      posn = tokenAnnotation.end();
    }
    Sentence sent = new Sentence(tokens);
    // parse sentence
    Arc[] arcs =
        fsw.process(
                sent,
                tokens.size() > 0 && tokens.get(0).getPos() == null,
                true,
                true,
                true,
                true,
                true)
            .getParse()
            .getHeadArcs();

    // get dependencies
    for (Arc arc : arcs) {
      if (arc == null) continue;
      if (arc.getDependency().equalsIgnoreCase("ROOT")) continue;
      Token head = arc.getHead();
      String headText = head.getText();
      String headPos = head.getPos();
      Integer headOffset = offset.get(head.getIndex());
      Token dep = arc.getChild();
      String depText = dep.getText();
      String depPos = dep.getPos();
      Integer depOffset = offset.get(dep.getIndex());
      String type = arc.getDependency();
      SyntacticRelation r =
          new SyntacticRelation(headOffset, headText, headPos, type, depOffset, depText, depPos);
      relations.add(r);
      // System.out.println ("parseSentence:  adding relation " + r);
    }
  }