Publication
CoNLL 2006
Conference paper

Applying alternating structure optimization to word sense disambiguation

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Abstract

This paper presents a new application of the recently proposed machine learning method Alternating Structure Optimization (ASO), to word sense disambiguation (WSD). Given a set of WSD problems and their respective labeled examples, we seek to improve overall performance on that set by using all the labeled examples (irrespective of target words) for the entire set in learning a disambiguator for each individual problem. Thus, in effect, on each individual problem (e.g., disambiguation of "art") we benefit from training examples for other problems (e.g., disambiguation of "bar", "canal", and so forth). We empirically study the effective use of ASO for this purpose in the multitask and semi-supervised learning configurations. Our performance results rival or exceed those of the previous best systems on several Senseval lexical sample task data sets. © 2006 Association for Computational Linguistics.

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CoNLL 2006

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