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Cross-data base searching method based on Unicode encoding

A coding and cross-database technology, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve the effect of improving retrieval speed

Inactive Publication Date: 2006-08-30
王绯
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In the classic database system containing these multi-byte / wide-byte encoding methods, especially those containing four-byte Unicode characters, the current cross-database retrieval system is powerless, and they cannot realize the classic database system containing four-byte encoding information Cross-database search with other databases based on two-byte and one-byte codes

Method used

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  • Cross-data base searching method based on Unicode encoding

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Embodiment approach

[0017] The main purpose of the present invention is to provide a cross-database retrieval method based on Unicode encoding. The specific implementation method is as follows:

[0018] A. Establish an electronic database format description table. Establish the corresponding format description information for each existing electronic database, and insert it into the format description table. The content recorded by the format description information includes the encoding format of the electronic database content, the language information of the electronic database content, whether it contains four-byte information, and the file format of the electronic information content file.

[0019] The encoding formats include: Unicode, GB2312, BIG5, ISO, GB18030, etc.

[0020] The language information of the electronic database content includes: Chinese simplified, Chinese traditional, English, German, French, Japanese, Korean, Mongolian, Tibetan, Italian, Spanish, etc.

[0021] The file format...

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Abstract

The invention discloses a Unicode-based inter-database searching method, providing database searching users with united Unicode-based inquiry interface, and searching inverted Unicode index table according to user-input searching conditions and returning searched results meeting the conditions. It firstly records format information of each electronic database, then establishes inverted index based on Unicode for local mirror database indexing information; besides provides a user-selectable recording result sequencing method. and it can make a user better and faster search out the needed information in electronic databases of various languages and codes.

Description

Technical field [0001] The invention belongs to the field of computer technology, and particularly relates to a cross-database retrieval method based on Unicode encoding. Background technique [0002] With the rapid growth of the total amount and types of electronic resources, libraries have more and more heterogeneous databases. For example, some large libraries generally have multiple electronic journal databases, electronic book databases, self-built characteristic databases, and so on. These independent databases not only provide rich information to search users, but also bring a lot of inconvenience. If users want to query certain information, they often need to enter the search interface of each electronic resource to search, and the search rules of each database must be sufficient. To obtain the required information. Therefore, cross-database retrieval technology has become a popular technology in the current library retrieval technology field, and some solutions and produ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 冯建康王宏源赵锋
Owner 王绯
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