Corpus-Based Approaches to Word Sense Disambiguation

2/28/00


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Table of Contents

Corpus-Based Approaches to Word Sense Disambiguation

Word Sense Disambiguation

Ambiguity: The Problem

PPT Slide

Roadmap

The Problems

Method Sampler

Example: “Plant” Disambiguation

Sense Selection in “Word Space”

Sense Labeling Under WordNet

Sense Choice With Collocational Decision Lists

The Question of Context

Taxonomy of Contextual Information

A Trivial Definition of Context All Words within X words of Target

Limits of Wide Context

Learning from Large Corpora

Surface Regularities = Useful Disambiguators

Interactions Below the Surface

What is Similar

New Words: Spotting & Adding

Future Directions

Future Directions

Note on Baselines

Schutze’s Vector Space: Detail

Schutze’s Vector Space: continued

Resnik’s WordNet Labeling: Detail

Yarowsky’s Decision Lists: Detail

Yarowsky’s Decision Lists: Detail

Author: JM

Email: gina@umiacs.cs.umd.edu

Home Page: www.ginaLevow.com

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