发明名称 |
Document retrieval method and document retrieval system |
摘要 |
Disclosed are a document retrieval method and system for separately performing a process for correcting erroneously recognized characters existing in characteristic character strings within a seed document or the documents to be registered and a process for tolerating erroneously recognized characters existing in the documents targeted for retrieval. The process for correcting erroneously recognized characters existing in characteristic character strings extracts characteristic character strings from a read document, replaces the extracted characteristic character strings containing erroneously recognized characters with character strings appropriate for document retrieval, and selects characteristic character strings for use in actual document retrieval.
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申请公布号 |
US2004255218(A1) |
申请公布日期 |
2004.12.16 |
申请号 |
US20030370829 |
申请日期 |
2003.02.21 |
申请人 |
HITACHI, LTD.;HITACHI SYSTEMS & SERVICES, LTD. |
发明人 |
TADA KATSUMI;TAKATORI HISASHI |
分类号 |
G06K9/03;G06F11/00;G06F17/30;G06K9/68;H04L1/00;(IPC1-7):H04L1/00 |
主分类号 |
G06K9/03 |
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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