Self-organizing maps
Marginal median SOM for document organization and retrieval
Neural Networks
Self organization of a massive document collection
IEEE Transactions on Neural Networks
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In this article, a system based on Hidden Markov Models (HMM) for document organization is presented. The purpose of the system is the classification of a document collection in terms of document content. The system possesses a two-level hybrid connectionist architecture that comprises (i) an automatically created word map using a HMM, which functions as a feature extraction module and (ii) a supervised MLP-based classifier, which provides the final classification result. A series of experiments, which have been performed on Modern Greek text-only documents, is presented. These experiments illustrate the effectiveness of the proposed system.