| 摘要 |
A document search method for extracting document information similar in content to given document information, from a document database with high accuracy and efficiency. A first document database is searched based on a search query which is input by a user. First document information extracted by the search of the first document database is formatted into a format of a second document database. The second document database is searched by using the formatted first document information. Second document information which is similar in content to the formatted first document information is extracted. A degree of similarity between the formatted first document information and the second document information is calculated. The calculated degree of similarity is corrected in accordance with a condition of correction which is preset. The first and second document information and the corrected degree of similarity are output.
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