/** 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); } } }
/** 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()); } } } } } }
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); } }
/** 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); } } }
/** 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); } }