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Summary: Boosting Applied to Tagging and PP Attachment
Steven Abney Robert E. Schapire Yoram Singer
AT&T Labs - Research
180 Park Avenue
Florham Park, NJ 07932
{abney, schapire, singer}@research.att.com
Abstract
Boosting is a machine learning algorithm that is not
well known in computational linguistics. We ap-
ply it to part-of-speech tagging and prepositional
phrase attachment. Performance is very encourag-
ing. We also show how to improve data quality by
using boosting to identify annotation errors.
1 Introduction
Boosting is a machine learning algorithm that has
been applied successfully to a variety of problems,
but is almost unknown in computational linguis-
tics. We describe experiments in which we apply
boosting to part-of-speech tagging and prepositional
phrase attachment. Results on both PP-attachment
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