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Method and device for searching long query words

A search method and query word technology, applied in the field of Internet search, can solve the problem of poor matching effect with the original long query word

Active Publication Date: 2017-04-19
北京奇元科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

like figure 1 As shown, the recalled documents are very poorly matched to the original long query term

Method used

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  • Method and device for searching long query words
  • Method and device for searching long query words
  • Method and device for searching long query words

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Embodiment Construction

[0045] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0046] figure 2 A flow chart of a search method for long query words according to an embodiment of the present invention is shown. Such as figure 2 As shown, the method includes:

[0047] Step S210, obtaining the input long query words.

[0048]In this step, the long query word input by the user may be obtained from the search bar of the search engine interface, or the long query word input by the user may be obtained from the search bar o...

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Abstract

The invention discloses a long query word searching method and device. The method comprises the following steps: acquiring an input long query word; extracting N keywords contained in the long query word, wherein N refers to a natural number; recalling at least M keyword documents in the N keywords, wherein M is less than or equal to N; and generating searching results according to the recalled documents. According to the technical scheme disclosed by the invention, because only the at least M keyword documents in the N keywords are recalled, the recall number of the documents is greatly reduced. Moreover, each recalled document belongs to the at least M keyword documents in the N keywords; and therefore, the matching degree of the original long query words is greatly improved.

Description

technical field [0001] The invention relates to the technical field of Internet search, in particular to a search method and device for long query words. Background technique [0002] In some actual search scenarios, users will input longer sentences as query words, which are called long query words. [0003] In the prior art, a method of summing and merging is used for searching such long query words to realize fuzzy matching. That is, the query is performed separately according to each keyword contained in the long query word, and then the query results are combined. But this method has very poor performance in actual use. Because it is assumed that a long query word contains N keywords, and each keyword recalls L documents on average, then the sum will return N*L documents. The number of recalled documents is very large, resulting in a large amount of calculation, and the search results are given to The matching effect is not good. [0004] figure 1 A schematic diagr...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/9535
Inventor 陈进平
Owner 北京奇元科技有限公司
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