Computer Science – Computation and Language
Scientific paper
2009-10-28
In proceedings of the Third International Workshop on Evaluating Word Sense Disambiguation Systems (SENSEVAL) 2004, Barcelona
Computer Science
Computation and Language
latex2e, 5 pages, appeared in SENSEVAL-3, Barcelona 2004
Scientific paper
This paper describes a hybrid system for WSD, presented to the English all-words and lexical-sample tasks, that relies on two different unsupervised approaches. The first one selects the senses according to mutual information proximity between a context word a variant of the sense. The second heuristic analyzes the examples of use in the glosses of the senses so that simple syntactic patterns are inferred. This patterns are matched against the disambiguation contexts. We show that the first heuristic obtains a precision and recall of .58 and .35 respectively in the all words task while the second obtains .80 and .25. The high precision obtained recommends deeper research of the techniques. Results for the lexical sample task are also provided.
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