Method for categorizing documents into subjects using relevance normalization for documents retrieved from an information retrieval system in response to a query

摘要

A method for storing input information in an information retrieval system database wherein a plurality of information subject categories are provided. A plurality of subject lexicons are provided, each subject lexicon of the plurality of subject lexicons corresponding to an information subject category of the plurality of information categories. Each subject lexicon contains information representative of its corresponding information subject category. The input information is compared with the subject lexicons and the input information is stored in a selected information subject category according to the comparing of the input information with the subject lexicons.