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Abstract |
A mathematical model of information retrieval system with feedback process is presented. The model mainly treats the query adjustment problem and employs multi-stage learning process in which the syst...em guesses user's intention of retrieval by means of the document-term matrix and the documents evaluated by user. Precise formulation of the model based on fuzzy theory, and two types of the model, the one reflecting the history of retrieval and the other not, are described.show more
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