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
Note on Baselines
Schutze’s Vector Space: Detail
Schutze’s Vector Space: continued
Resnik’s WordNet Labeling: Detail
Yarowsky’s Decision Lists: Detail
Email: gina@umiacs.cs.umd.edu
Home Page: www.ginaLevow.com
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