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Many algorithms have been implemented for the problem of text classification. Most of the work in this area was carried out for English text. Very little research has been carried out on Arabic text. The nature of Arabic text is different than that of English text, and preprocessing of Arabic text is more challenging. This paper presents an implementation of three automatic text-classification techniques for Arabic text. A corpus of 1445Arabic text documents belonging to nine categories has been automatically classified using the kNN, Rocchio, and naïve Bayes algorithms. The research results reveal that Naïve Bayes was the best performer, followed by kNN and Rocchio.

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This paper describes a new algorithm for morphological analysis of Arabic words, which has been tested on a corpus of 242 abstracts from the Saudi Arabian National Computer Conference. It runs an order of magnitude faster than other algorithms in the literature.

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