| 摘要 |
PROBLEM TO BE SOLVED: To effectively remove unnecessary words in an automatic document sorting process. SOLUTION: An automatic document sorting system comprises a sorted document collection storing device 21 storing sorted documents at every field, a field table generating portion 31 generating a table for every field including information for appearing frequencies of words included in documents acquired from the sorted document collection storing device 21, an unnecessary word determining/removing portion 32 removing unnecessary words at every field from the table based on appearing frequencies of designated words at every field which are obtained from the table at every field generated by the field table generating portion 31, a sortable catalog storing device 22 storing the table in which unnecessary words are removed by the unnecessary word determining/removing portion 32, a sorting targeted document storing device 23 storing sorting targeted documents to be sorted, and a sortable catalog storing device 33 performing sorting treatment by using the table stored in the sortable catalog storing device 22 regarding the sorting targeted documents stored in the sorting targeted document storing device 23. COPYRIGHT: (C)2004,JPO
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