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Proceedings paper #79267

Kharechko, A; Shawe-Taylor, J; Herbrich, R; Graepel, T; (2004) UNSPECIFIED In: (Proceedings) Text Categorization via Ellipsoid Separation.

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We present a new batch learning algorithm for text classification in the vector space of document representations. The algorithm uses ellipsoid separation in the feature space which leads to a semidefinite program. An approximation of the latent semantic feature extraction approach using Gram-Schmidt orthogonalization is used for the feature extraction. Preliminary results demonstrate some potential for the presented approach

Type: Proceedings paper
Event: Text Categorization via Ellipsoid Separation
Keywords: bag-of-words text representation, ellipsoid, feature extraction, Gram-Schmidt orthogonalization., latent semantic indexing, pattern separation, Semidefinite programming, Text categorization, text classification
UCL classification: UCL > School of BEAMS
UCL > School of BEAMS > Faculty of Engineering Science
URI: http://discovery.ucl.ac.uk/id/eprint/79267
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