Keyword-based WEB server expansion search method

A technology of WEB server and keywords, which is applied in the fields of instruments, computing, and electronic digital data processing, etc., can solve problems such as inability to reflect semantic information, trouble, and retrieval technology that cannot meet user retrieval needs, and achieve enhanced semantic extension retrieval performance, use Flexible, easy to update and maintain effects

Inactive Publication Date: 2011-06-29
CHONGQING UNIV
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Problems solved by technology

[0004] However, the keywords assumed by the VSM model only represent a concept or semantic unit uniquely. In this text processing method based on keyword frequency statistics, the similarity between two texts depends on the number of common words they contain, and cannot reflect semantics. information
However, in many cases, the information that people need to retrieve contains semantic information embodied by keywords. For example, foreign tourists need to inquire ab

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  • Keyword-based WEB server expansion search method
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  • Keyword-based WEB server expansion search method

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Embodiment Construction

[0020] With the existing retrieval technology, due to the existence of the mismatching problem of the input keywords, users often have to repeatedly search for different keywords with the same semantics in order to find the information they need. The keyword-based WEB server extended retrieval method of the present invention can reduce the user's burden, and the retrieval system provided by the WEB server automatically expands the extended words corresponding to the keywords input by the user for auxiliary retrieval, that is, the query expansion technology; To put it simply, before searching, the retrieval system of the WEB server automatically expands the semantics of the keywords queried by the user according to the expansion conditions, thereby forming new query conditions, and retrieves the matching information text and returns it to the user.

[0021] The flow chart of the keyword-based WEB server extended retrieval method of the present invention is as follows figure 1 A...

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Abstract

The invention provides a keyword-based WEB server expansion search method. The method comprises that: a search system provided by a WEB server automatically expands out expanded words corresponding to keywords input by a user to perform auxiliary search, namely the search system of the WEB server automatically performs semantic expansion on the keywords searched by the user according to the expansion conditions so as to form new expansion conditions before searching and then returns the searched matched information texts to the user. By the method, the semantic expansion search performance ofthe WEB server can be enhanced, the expansion conditions can be flexibly selected, and the requirement of the user on flexibility of semantic information search can be met better.

Description

technical field [0001] The invention belongs to the technical field of computer and communication, and in particular relates to a keyword-based extended retrieval method of a WEB server. Background technique [0002] The development of Internet and computer network technology has brought unprecedented convenience to people, and the large amount of shared resources contained in it has become one of the important ways for human beings to obtain information. The amount of text information in the Internet is increasing, and the number of documents owned by individuals and organizations is also increasing. With the accuracy and comprehensiveness required by people for information acquisition, how to quickly retrieve the information that meets the needs of users from massive information resources has become an urgent problem to be solved. [0003] In recent decades, the research on text retrieval has made great progress, typically including decision tree, K nearest neighbor, naiv...

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Application Information

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IPC IPC(8): G06F17/30
Inventor 叶蕾邹国奇刘春伟
Owner CHONGQING UNIV
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