发明名称 |
Document anonymity setting device, method and computer readable recording medium recording anonymity setting program |
摘要 |
A document anonymity setting device comprises a document input means inputting a document, a specificity calculating means extracting an expression specifying a person from the input document and for calculating a specificity to evaluate a degree of specificity at which the expression specifying a person, and an anonymity setting processing means rewriting with anonymity setting a expression in the input document having a specificity which is greater than a predetermined threshold. The specificity calculating unit extracts a person name and a modification expression from the input document and calculates a specificity to evaluate a degree of specificity at which the person name and modification expression thus extracted can specify a person. The anonymity setting processing unit rewrites a person name and a modification expression which have a specificity greater than a predetermined threshold through rewriting to meaningless expression, rewriting to low specificity setting, and rewriting to encrypted expression. |
申请公布号 |
US7184947(B2) |
申请公布日期 |
2007.02.27 |
申请号 |
US20010921924 |
申请日期 |
2001.08.06 |
申请人 |
FUJITSU LIMITED |
发明人 |
MATSUOKA HIDESATO;OCHITANI RYO |
分类号 |
G06F17/28;G06F17/20;G06F21/00;G10L15/00;G10L15/18;G10L15/26 |
主分类号 |
G06F17/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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