public IWord getIWordForPhrase(String phrase) {
IWord word = null;
IIndexWord idxWord = dict.getIndexWord(phrase, POS.NOUN);
if (idxWord != null) {
IWordID wordID = (IWordID) idxWord.getWordIDs().get(0);
word = dict.getWord(wordID);
}
return word;
}
public List getSynonyms(String phrase) {
List synonymsList = new ArrayList();
if (dict == null) {
System.out.println("Dictionary is null");
System.exit(0);
}
IIndexWord idxWord = dict.getIndexWord(phrase, POS.NOUN);
if (idxWord != null) {
IWordID wordID = (IWordID) idxWord.getWordIDs().get(0);
IWord word = dict.getWord(wordID);
ISynset synset = word.getSynset();
List words = new ArrayList();
IWord w;
for (Iterator iterator = synset.getWords().iterator(); iterator.hasNext(); words.add(w))
w = (IWord) iterator.next();
synonymsList = keepUniqueTerms(words);
}
return synonymsList;
}
private Set<String> getHypernyms(
String word, POS posTag, boolean firstSenseOnly, int maxIterations) {
Set<String> hypernyms = new HashSet<String>();
IIndexWord iIndexWordRoot = dict.getIndexWord(word, posTag);
if (iIndexWordRoot == null) {
return hypernyms; // no senses found
}
List<IWordID> todo = iIndexWordRoot.getWordIDs();
int iterations = 0;
while (iterations++ < maxIterations && !todo.isEmpty()) {
List<IWordID> tmp = Lists.newArrayList();
// iterate over senses
for (IWordID iWordId : todo) {
IWord iWord1 = dict.getWord(iWordId);
ISynset iSynset = iWord1.getSynset();
// multiple hypernym chains are possible for a synset
for (ISynsetID iSynsetId : iSynset.getRelatedSynsets(Pointer.HYPERNYM)) {
List<IWord> iWords = dict.getSynset(iSynsetId).getWords();
for (IWord iWord2 : iWords) {
String lemma = iWord2.getLemma().replace('_', ' ');
hypernyms.add(lemma);
tmp.add(iWord2.getID());
}
}
if (firstSenseOnly) {
break;
}
}
todo = tmp;
}
return hypernyms;
}
public double getSynsetDepth(String word, int senseno, String pos) {
IIndexWord word1 = null;
// get the WordNet words in *any* POS
ArrayList<Integer> homehierarchies = null;
// if(pos.equalsIgnoreCase("n"))
// {
try {
word1 = dict.getIndexWord(word, POS.NOUN);
homehierarchies = nounroots;
System.out.println(word1.toString() + "||||");
// }
// if(pos.equalsIgnoreCase("v"))
// {
// word1 = dict.getIndexWord(word, POS.VERB);
// homehierarchies = verbroots;
// }
// ...........................................................................................................................................
IWordID word1ID = word1.getWordIDs().get(senseno - 1); // get the right sense of word 1
ISynset synset1 = dict.getWord(word1ID).getSynset();
// ...........................................................................................................................................
// get a score
TreeMap<Integer, HashSet<ISynsetID>> depths = new TreeMap<Integer, HashSet<ISynsetID>>();
HashSet<ISynsetID> synsets = new HashSet<ISynsetID>();
synsets.add(synset1.getID());
treecreeper(0, synsets, depths, homehierarchies);
if (depths.isEmpty()) {
return (0.0); // i.e. is <root>, nothing 'above' it
}
return ((double) (depths.lastKey() + 2.0));
} catch (Exception ex) {
}
return 0.0;
// ??? node counting, so have to include start and end node
}
public List getHypernym(String phrase) {
List hypernymsList = new ArrayList();
if (dict == null) {
System.out.println("Dictionary is null");
System.exit(0);
}
IIndexWord idxWord = dict.getIndexWord(phrase, POS.NOUN);
if (idxWord != null) {
IWordID wordID = (IWordID) idxWord.getWordIDs().get(0);
IWord word = dict.getWord(wordID);
ISynset synset = word.getSynset();
List hypernyms = synset.getRelatedSynsets(Pointer.HYPERNYM);
List words;
for (Iterator iterator = hypernyms.iterator();
iterator.hasNext();
hypernymsList.addAll(words)) {
ISynsetID sid = (ISynsetID) iterator.next();
words = dict.getSynset(sid).getWords();
}
hypernymsList = keepUniqueTerms(hypernymsList);
}
return hypernymsList;
}
public static void main(String[] args) throws IOException {
String path = args[0];
String sentence =
"The bank can guarantee deposits will eventually cover future tuition costs because it invests in adjustable-rate mortgage securities";
URL url = null;
try {
url = new URL("file", null, path);
} catch (MalformedURLException e) {
e.printStackTrace();
}
if (url == null) return;
// construct the dictionary object and open it
IDictionary dict = new Dictionary(url);
dict.open();
for (POS posVal : POS.values()) {
IIndexWord idxWord = dict.getIndexWord("bank", posVal);
if (dict.getIndexWord("bank", posVal) != null) {
List<IWordID> wordSenses = idxWord.getWordIDs();
for (IWordID sense : wordSenses) {
IWord word = dict.getWord(sense);
String gloss = word.getSynset().getGloss();
calculateOverlap(gloss, sentence, posVal);
}
}
}
// printing the overlap map
for (Entry<String, Integer> entry : overlapMap.entrySet()) {
String key = entry.getKey().toString();
int value = entry.getValue();
System.out.println("------");
System.out.println("SENSE: " + key + "\t\tOVERLAP: " + value);
List<String> displayOverlap = overlapWords.get(key);
for (String str : displayOverlap) System.out.println(str);
}
// calculating the most likely sense
int maxVal = -1;
String sense = "";
for (Entry<String, Integer> entry : overlapMap.entrySet()) {
if (entry.getValue() > maxVal) {
maxVal = entry.getValue();
sense = entry.getKey();
}
}
System.out.println("------------------------");
System.out.println("MOST LIKELY SENSE IS: " + sense);
System.out.println("VALUE OF ITS OVERLAP IS: " + maxVal);
}
