Integrating WordNet knowledge to supplement training data in semi-supervised agglomerative hierarchical clustering for text categorization

TitreIntegrating WordNet knowledge to supplement training data in semi-supervised agglomerative hierarchical clustering for text categorization
Publication TypeJournal Article
Year of Publication2001
AuthorsBenkhalifa, M, Mouradi, A, Bouyakhf, H
JournalINTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS
Volume16
Pagination929-947
Date PublishedAUG
ISSN0884-8173
Abstract

The text categorization (TC) is the automated assignment of text documents to predefined categories based on document contents. TC has been an application for many learning approaches. which proved effective. Nevertheless, TC provides many challenges to machine learning. In this paper. we suggest, for text categorization, the integration of external WordNet lexical information to supplement training data for a semi-supervised clustering algorithm which (i) uses a finite design set of labeled data to (ii) help agglomerative hierarchical clustering algorithms (AHC) partition a finite set of unlabeled data and then (iii) terminates without the capacity to classify other objects. This algorithm is the ``semi-supervised agglomerative hierarchical clustering algorithm{''} (ssAHC). Our experiments use Reuters 21578 database and consist of binary classifications for categories selected from the 89 TOPICS classes of the Reuters collection. Using the vector space model (VSM), each document is represented by its original feature vector augmented with external feature vector generated using WordNet. We verify experimentally that the integration of WordNet helps ssAHC improve its performance, effectively addresses the classification of documents into categories with few training documents. and does not interfere with the use of training data. (C) 2001 John Wiley & Sons, Inc.

DOI10.1002/int.1042
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