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Method for realizing semantic extension on retrieval request

A semantic extension and semantic technology, applied in the field of network search, to achieve the effect of improving accuracy

Inactive Publication Date: 2013-03-27
北京海量融通软件技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, between the search results of existing search engines and the needs of users, there are often irrelevant answers, which is disappointing.

Method used

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  • Method for realizing semantic extension on retrieval request
  • Method for realizing semantic extension on retrieval request

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Embodiment Construction

[0023] The invention provides a retrieval request semantic extension method, which combines keywords into a knowledge tree, and the semantic nodes formed by each keyword are supported by the semantic collection of its sub-nodes. On this basis, use the expanded keyword set to query the optimal matching combination in the search combination library to focus on the expanded search combination. The above technical solutions will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] Such as figure 1 As shown, the search request semantic extension method provided by the present invention includes the following steps: receiving a search request; word segmentation processing, filtering stop words; using the knowledge tree to generate a semantic extension set; combining the search combination library for optimal matching combination query; generating effective Retrieves a combination set. Among them, after the retrieval ...

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Abstract

The invention discloses a method for realizing semantic extension on a retrieval request. The method comprises the following steps of: receiving the retrieval request from a user; segmenting the retrieval request to generate keywords; conducting the semantic extension on the keywords based on a knowledge tree to generate an extended keyword combination; carrying out optimized matching combination query in combination with the a retrieval combination database on the keyword combination to obtain an effective retrieval combination; and combining the effective retrieval combination with the retrieval request inputted by the user to obtain an effective retrieval combination set. The method provided by the invention can realize the multi-dimensional semantic extension, and can rapidly collecting the large amount of multiple combination sets to the effective retrieval combination set through the optimized matching combination query, thereby realizing the organic combination of the full semantic extension with the real and meaningful retrieval combination, and effectively improving the accuracy of retrieval results.

Description

technical field [0001] The invention relates to a method for semantically extending a user's retrieval request, which belongs to the technical field of network search. Background technique [0002] A search engine is an information service system that uses specific computer programs to collect information on the Internet according to certain strategies, organizes and processes the information, and displays the processed information to users, thereby providing users with retrieval services. Existing search engines enter their own database systems for retrieval according to keywords provided by users, and feed back the search results to users. In this process, it is often difficult to express the user's real search intention with a few simple keywords, or the user does not know what keywords to enter in order to accurately express the information they need to search. The search engine needs to analyze and judge according to the information input by the user, and provide searc...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 庞晓曦王树强宋传宝
Owner 北京海量融通软件技术有限公司
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