The Naive Bayes Model for Unsupervised Word Sense Disambiguation: Aspects Concerning Feature Selection

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The Naive Bayes Model for Unsupervised Word Sense Disambiguation: Aspects Concerning Feature Selection

Florentina T. Hristea - The Naive Bayes Model for Unsupervised Word Sense Disambiguation: Aspects Concerning Feature Selection
English | Published: 2012-11-08 | ISBN: 3642336922 | PDF | 70 pages | 0.84 MB

This book presents recent advances (from 2008 to 2012) concerning use of the Naive Bayes model in unsupervised word sense disambiguation (WSD).While WSD, in general, has a number of important applications in various fields of artificial intelligence (information retrieval, text processing, machine translation, message understanding, man-machine communication etc.), unsupervised WSD is considered important because it is language-independent and does not require previously annotated corpora. The Naive Bayes model has been widely used in supervised WSD, but its use in unsupervised WSD has led to more modest disambiguation results and has been less frequent. It seems that the potential of this statistical model with respect to unsupervised WSD continues to remain insufficiently explored. The present book contends that the Naive Bayes model needs to be fed knowledge in order to perform well as a clustering technique for unsupervised WSD and examines three entirely different sources of such knowledge for feature selection: WordNet, dependency relations and web N-grams. WSD with an underlying Naive Bayes model is ultimately positioned on the border between unsupervised and knowledge-based techniques. The benefits of feeding knowledge (of various natures) to a knowledge-lean algorithm for unsupervised WSD that uses the Naive Bayes model as clustering technique are clearly highlighted. The discussion shows that the Naive Bayes model still holds promise for the open problem of unsupervised WSD.
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Tags: Unsupervised, Disambiguation, Aspects, Concerning, Feature, Selection

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