发明名称 |
EXTRACTING METHOD, COMPUTER PRODUCT, EXTRACTING SYSTEM, INFORMATION GENERATING METHOD, AND INFORMATION CONTENTS |
摘要 |
An extracting method includes storing to a storage device: files that include character units; first index information indicating which file includes at least one character unit in a character unit group having a usage frequency less than a predetermined frequency and among character units having common information in a predetermined portion, the usage frequency indicating the extent of files having a given character unit; second index information indicating which file includes a first character unit having a usage frequency at least equal to the predetermined frequency and among the character units having common information in a predetermined portion; and referring to the first and second index information to extract a file having character units in the first and second index information, when a request is received for extraction of a file having the first character unit and a second character unit that is included in the character unit group. |
申请公布号 |
US2012254190(A1) |
申请公布日期 |
2012.10.04 |
申请号 |
US201213423319 |
申请日期 |
2012.03.19 |
申请人 |
FUJITSU LIMITED |
发明人 |
KATAOKA MASAHIRO;MURATA TAKAHIRO;OHTA TAKAFUMI |
分类号 |
G06F17/30 |
主分类号 |
G06F17/30 |
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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