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Query amending method and system thereof

A query word and query suggestion technology, applied in the field of search engines, can solve problems such as retrieval failure and inability to correctly analyze various wrong queries

Active Publication Date: 2008-02-27
BEIJING KINGSOFT SOFTWARE +2
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  • Summary
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a query correction method and system to solve the problem that current search engines cannot correctly analyze various wrong queries input by users, resulting in retrieval failure

Method used

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  • Query amending method and system thereof
  • Query amending method and system thereof
  • Query amending method and system thereof

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Embodiment Construction

[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0044] The embodiment of the present invention provides a query correction method. For the search query input by the user, there may be various errors or it is not conducive to the search engine to correctly analyze the user's retrieval intention, resulting in the failure of the search. A variety of correction analysis, using the language model established in advance based on the retrieval resources as a measure, and then searching for several query correction suggestions that best match the language model through an effective search algorithm, which can be used as an explicit prompt or as an implicit The query is passed to the retrieval part to help the user retrieve the expected results as much as possible, avoiding the user to m...

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Abstract

The invention discloses a kind of method and system for searching and modifying, solving the problem that the current search engine can analyze many wrong searching information which users input correctly, thereby, resulting in searches failing. The method above includes: setting in advance the language model with the search resource; using the relevant correcting operation, correcting every search word input initially, getting many expressions of the relevant search word which including the expression of the initial input; according many expressions of every search word, getting the different assembled-form word serial; using the language model referred above to compute the appearance probability of the word serial, and making the word serial with high appearance probability as the search suggested result. The invention can deal unitarily with many inputting mistakes or incomplete inputting appearing during searching such as spelling mistake, morphology imperfection and so on to reach the aim to correct the search automatically, to help users to use the search engine efficiently.

Description

technical field [0001] The invention relates to search engine technology, in particular to a query correction method and system in the search engine. Background technique [0002] A query refers to an input of a user when using a search engine, and here specifically refers to a text input. Query is the expression of users' information needs. Only by correctly "understanding" the user's query can the search engine provide users with accurate search results and high-quality services. However, when the current search engine analyzes the user's query, the accuracy will be affected and restricted by several factors, such as spelling mistakes, morphological errors, incomplete input words, Chinese homonyms, etc., making the search engine unable to "correct" "Understand" the user's intent, and the returned search results cannot meet the user's needs. [0003] Existing search engines, such as Google, Youdao, Baidu, etc., all attach great importance to the functions of query process...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 高立琦刘挺
Owner BEIJING KINGSOFT SOFTWARE
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