| 摘要 |
In a document information processing apparatus, intermediate information, which contains the same character information as in document information created by a document creation application and is used for reduction of the amount of the document information, is generated based on the document information, word information contained in the document information or in the intermediate information is extracted, and summary information is generated by adding the extracted word information to the intermediate information which was subjected to a reduction of amount of information according to the need. The generated summary information not only has a small data volume but also contains all the word information, and is therefore usable for a searching process using character information, such as full-text searching.
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