public static Annotation getHeadVerb(
Annotation verb, Map<String, AnnotationSet> annotations, String text) {
AnnotationSet verbs = annotations.get(Constants.POS).getContained(verb);
if (verbs == null || verbs.size() < 1) return verb;
Annotation result = verbs.getFirst();
for (Annotation v : verbs) {
if (!SyntaxUtils.isPreposition(v.getType())) {
result = v;
}
}
return result;
}
public static ArticleTypeEnum articleType(Annotation np, Document doc) {
String[] indefs = {"a", "an", "one"};
// String[] defs = { "the", "this", "that", "these", "those" };
String[] quans = {"every", "all", "some", "most", "few", "many", "much"};
String[] words = doc.getWords(np);
String first = words[0];
if (ProperName.getValue(np, doc)) return ArticleTypeEnum.DEFINITE;
if (isPronoun(np, doc)) return ArticleTypeEnum.DEFINITE;
if (memberArray(first, indefs)) return ArticleTypeEnum.INDEFINITE;
if (memberArray(first, quans)) {
if (words.length < 2 || !words[1].equalsIgnoreCase("of")) return ArticleTypeEnum.QUANTIFIED;
else return ArticleTypeEnum.DEFINITE;
}
AnnotationSet pos = doc.getAnnotationSet(Constants.POS);
pos = pos.getContained(np);
if (pos != null && pos.size() > 0) {
if (isCardinalNumber(pos.getFirst()) || isPredeterminer(pos.getFirst()))
return ArticleTypeEnum.QUANTIFIED;
if (isPossesivePronoun(pos.getFirst()) || isProperNoun(pos.getLast()))
return ArticleTypeEnum.DEFINITE;
}
return ArticleTypeEnum.INDEFINITE;
}
@Override
public Object produceValue(Annotation np, Document doc) {
// Get the sentence annotations
AnnotationSet par = doc.getAnnotationSet(Constants.PAR);
AnnotationSet nps = doc.getAnnotationSet(Constants.NP);
for (Annotation p : par) {
int num;
if (Constants.PAR_NUMS_UNAVAILABLE) {
num = 0;
} else {
num = Integer.parseInt(p.getAttribute("parNum"));
}
AnnotationSet enclosed = nps.getContained(p);
for (Annotation e : enclosed) {
e.setProperty(this, num);
}
}
// Make sure that all annotations have an associated PARNUM
for (Annotation n : nps) {
if (n.getProperty(this) == null) {
AnnotationSet o = par.getOverlapping(0, n.getEndOffset());
if (o == null || o.size() < 1) {
n.setProperty(this, 0);
} else {
Annotation p = o.getLast();
int num = Integer.parseInt(p.getAttribute("parNum")); // = 0;
n.setProperty(this, num);
}
}
}
if (np.getProperty(this) == null) {
AnnotationSet o = par.getOverlapping(0, np.getEndOffset());
if (o == null || o.size() < 1) {
np.setProperty(this, 0);
} else {
Annotation p = o.getLast();
int num = Integer.parseInt(p.getAttribute("parNum"));
np.setProperty(this, num);
}
}
return np.getProperty(this);
}
@Override
public void run(Document doc, String annSetNames[]) {
String tagChunk = currentConfig.getTagChunk();
String listDir = currentConfig.getTagChunkLists();
AnnotationSet namedEntities = new AnnotationSet(annSetNames[0]);
// get the sentences from the input
AnnotationSet sentSet = doc.getAnnotationSet(Constants.SENT);
// get the tokens from each sentence
AnnotationSet tokenSet = doc.getAnnotationSet(Constants.TOKEN);
// Read in the text from the raw file
String text = doc.getText();
Iterator<Annotation> sents = sentSet.iterator();
ArrayList<String> lines = new ArrayList<String>();
ArrayList<Vector<Annotation>> tokenList = new ArrayList<Vector<Annotation>>();
while (sents.hasNext()) {
Vector<Annotation> annVector = new Vector<Annotation>();
Annotation sent = sents.next();
int sentStart = sent.getStartOffset();
int sentEnd = sent.getEndOffset();
String sentText = Annotation.getAnnotText(sent, text);
AnnotationSet sentTokens = tokenSet.getContained(sentStart, sentEnd);
// gather all sentences to tag
if (!sentText.matches("\\W+")) {
StringBuilder tmp = new StringBuilder();
for (Annotation a : sentTokens) {
tmp.append(Annotation.getAnnotTextClean(a, text)).append(" ");
annVector.add(a);
}
lines.add(tmp.toString());
tokenList.add(annVector);
}
}
// write out a tmp file that contains the words to be tagged
File tmpFile = new File(doc.getRootDir(), "tmp.ner");
try {
tmpFile.deleteOnExit();
FileWriter fw = new FileWriter(tmpFile);
BufferedWriter bw = new BufferedWriter(fw);
for (String l : lines) {
// System.out.println(l);
bw.write(l + "\n");
}
bw.close();
fw.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
// run the tagger
String command =
tagChunk
+ " -predict . "
+ modelDir
+ Utils.SEPARATOR
+ models[0]
+ " "
+ tmpFile.getAbsolutePath()
+ " "
+ listDir;
// collect the results
ArrayList<String> results;
int i = 0;
try {
results = Utils.runExternalCaptureOutput(command);
Annotation current = null;
for (String l : results) {
Vector<Annotation> annVector = tokenList.get(i);
// get rid of these extraneous tags
l = l.replace("_O-O", "");
String[] tokens = l.split(" ");
// System.out.println(l);
int j = 0;
int underscore;
int nes = 1;
String tag;
for (String t : tokens) {
underscore = t.lastIndexOf('_');
tag = t.substring(underscore + 1, t.length());
Annotation a = annVector.get(j);
// System.out.print(Utils.getAnnotTextClean(a, text) + "_" + tag + " ");
if (tag.equals("B-O")) {
j++;
if (current != null) {
namedEntities.add(current);
// System.out.println("NE Found: " + Utils.getAnnotTextClean(current, text) + ":" +
// current.getType());
nes++;
current = null;
}
continue;
}
String entityType = tag.substring(tag.indexOf("-") + 1, tag.length());
if (entityType.equals("ORG")) {
entityType = "ORGANIZATION";
} else if (entityType.equals("LOC")) {
entityType = "LOCATION";
} else if (entityType.equals("PER")) {
entityType = "PERSON";
} else if (entityType.equals("VEH")) {
entityType = "VEHICLE";
}
if (tag.startsWith("B-")) {
if (current != null) {
namedEntities.add(current);
nes++;
current = null;
// System.out.println("NE Found: " + Utils.getAnnotTextClean(current, text));
}
current = new Annotation(nes, a.getStartOffset(), a.getEndOffset(), entityType);
} else if (tag.startsWith("I-")) {
if (current != null) {
current.setEndOffset(a.getEndOffset());
} else {
current = new Annotation(nes, a.getStartOffset(), a.getEndOffset(), entityType);
}
}
j++;
}
// System.out.println();
i++;
}
FileUtils.delete(tmpFile);
} catch (IOException e) {
throw new RuntimeException(e);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
addResultSet(doc, namedEntities);
}
