| 摘要 |
The present invention provides a document clustering device which evaluates similarity between each document among documents and all the documents including the concerning document itself. And according to this evaluation result, the document clustering device divides the documents into non-hierarchical clusters. Thereby, the present invention realizes a document searching system which speedily retrieves a document satisfying a search condition from an accumulation of an enormous number of documents, and a FAQ preparing system which automatically prepares FAQ from an accumulation of an enormous number of sample questions and sample answers.
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