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Method and device for searching for word strings

A technology for searching words and strings, applied in the field of search strings, which can solve problems such as reducing user experience, time-consuming, and reducing search efficiency

Inactive Publication Date: 2017-09-26
EMC IP HLDG CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This greatly reduces search efficiency and makes string searching a time-consuming process
Slow response in turn degrades the user experience of using the search engine

Method used

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  • Method and device for searching for word strings
  • Method and device for searching for word strings
  • Method and device for searching for word strings

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Embodiment Construction

[0015] Hereinafter, embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided for Have a more thorough and complete understanding of this disclosure. It should be understood that the drawings and embodiments of the present disclosure are only used for exemplary purposes, and are not used to limit the protection scope of the present disclosure.

[0016] The terms "including", "including" and similar terms used herein should be understood as open terms, that is, "including / including but not limited to". The term "based on" is "based at least in part on." The term "one embodiment" means "at least one embodiment"; the term "another e...

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Abstract

The embodiment of the invention discloses a method and device for searching for word strings. In the embodiment, the method for searching for word strings comprises the steps of determining a first document set containing a first item of a word string and a second document set containing a second item in the word string; generating a third document set on the basis of the first document set and the second document set, wherein documents in the third document set are included in the first document set and the second document set, and the distance between the first item and the second item in the documents is equal to the distance between the first item and the second item in the word string. The invention further discloses a corresponding device and computer program products.

Description

Technical field [0001] The embodiments of the present disclosure generally relate to the field of information search, and more specifically, to methods and devices for searching word strings. Background technique [0002] In the field of information search, search technologies such as inverted indexing can be used to search for a given word string in a large number of documents (for example, web pages on the Internet). In the traditional inverted index technology, the string to be searched is divided into tokens. The term "item" as used herein refers to the unit constituting a character string, such as characters, words, phrases, and so on. When searching, all documents containing all items are searched. [0003] The biggest problem faced by this search is search efficiency. It can be understood that for each item in the string, there may be a large number of documents containing the item; conversely, each item may appear several times in a document. Traditional search engines ...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/93G06F16/319G06F16/38G06F16/334G06F16/90344
Inventor 代洪涛张磊陈超黄坤武刘晶晶
Owner EMC IP HLDG CO LLC
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