Text Classification by Boosting Weak Learners based on Terms and Concepts

Authors:
Stephan Bloehdorn;Andreas Hotho
Affiliations:
University of Karlsruhe, Germany;University of Kassel, Germany
Venue:
ICDM '04 Proceedings of the Fourth IEEE International Conference on Data Mining
Year:
2004

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Abstract

Document representations for text classification are typically based on the classical Bag-Of-Words paradigm. This approach comes with deficiencies that motivate the integration of features on a higher semantic level than single words. In this paper we propose an enhancement of the classical document representation through concepts extracted from background knowledge. Boosting is used for actual classification. Experimental evaluations on two well known text corpora support our approach through consistent improvement of the results.