Re: [dkpro-user] About WSD using wordnetResource and WordnetSenseKeySenseinventory

[Torsten Zesch]

This is probably a question for the WSD user list.

-Torsten

2016-06-19 22:56 GMT+02:00 Jose Luis Vieyra Sagaon <jvi...@expansion.com.mx>:

Hello!

I'm using dkpro wsd and wordnet 3.0.

What I want to do is use Lesk algorithm to disambiguate the the word given the sentence as context.

So far it works pretty well, the problem is after I disambiguate the word, I get a Weird object in which the node id is in a different format than wordnet's (WordnetResource):

-WordnetResource (Entity): buy#13253751

-WordNetSenseKeySenseInventory (Word): buy%1:21:00::

I tried everything to form the id from one to the other but haven't done it yet, any ideas?

Ty for your time!

Some code:

I try to match it like this:

Word wword = lesk.getBestSense(theWord, context,POS.NOUN);
ent = wordnet.getEntityById(wword.getSenseKey());

in which :

public class WsdLeskAlgorithm {
    private SenseTaxonomy inventory;
    private LexicalSemanticResource wordnet = null;
    private SimplifiedLesk lesk = null;


    public WsdLeskAlgorithm(LexicalSemanticResource wordnet) throws IOException, JWNLException, LexicalSemanticResourceException {

        this.wordnet = wordnet;
        this.inventory = new WordNetSenseKeySenseInventory(
                new ClassPathResource("wordnet/wordnet_properties.xml").getInputStream());

        this.lesk = new SimplifiedExtendedLesk(inventory, new DotProduct(),
                new MostObjects(), new StringSplit(),
                new StringSplit());

        System.out.println("Inventory: " + inventory.toString());
    }



    public Map<Word,Double> getAllSenses(String word, String context,POS pos) throws SenseInventoryException, JWNLException {
        Map<Word,Double> probMap = new HashMap<>();

        if (lesk != null && wordnet != null) {
            Map<String, Double> senseProbmap = lesk.getDisambiguation(word, pos, context);
            for (String s : senseProbmap.keySet()) {
                Word disamWord = ((WordNetResource) wordnet).getDict().getWordBySenseKey(s);
                probMap.put(disamWord, senseProbmap.get(s));
               }
        }
        else
            throw new RuntimeException("Lesk or Wordnet was null!!");
        return probMap;
    }

    public Word getBestSense(String word,String context, POS pos) throws SenseInventoryException, JWNLException, LexicalSemanticResourceException {

        Word best = null;

        Map<Word,Double> probMap = this.getAllSenses(word,context,pos);
        if (probMap.size() == 1){
            return new ArrayList<>(probMap.keySet()).get(0);
        } else if (probMap.size() > 1){
            double current = 0.0;
            for ( Word w: probMap.keySet()){
                if (probMap.get(w) > current){
                    best = w;
                    current = probMap.get(w);
                }
            }
        }

        return best;
    }

}

--

Mto. Ing. José Luis Vieyra S.

DataScience Manager @ GEx

Ext. 75725

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