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Text retrieval method and device

A text and lexical technology, applied in the field of text retrieval methods and devices, to achieve the effect of fast retrieval

Active Publication Date: 2016-03-02
MIGU MUSIC CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, there are more and more text information on the Internet, but how to accurately and quickly retrieve the required text information from among the numerous text information, there is still no method to achieve

Method used

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  • Text retrieval method and device

Examples

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[0073] Example 1, if there are two texts: the first is "Jay Chou" and the second is "Jay Zhou and Jay Chou", if the singer keyword database contains "Jay Zhou" and "Jay Chou", then when extracting keywords , the extraction results of these two texts are both "Jie Zhou" and "Jay Chou". However, the first text should obviously be "Jay Chou", but the extraction result is "Jie Zhou" and "Jay Chou", which will cause the news text containing only Jay Chou to be classified under Jay Chou at the same time. This kind of problem requires the Figure 5 The shown public word reduction frequency elimination method eliminates common words, that is, because the word frequencies of Zhou Jie and Jay Chou in the first sentence are all 1, and Zhou Jie is a common word, it can be eliminated, that is, the word frequency of the first sentence The extraction result is only "Jay Chou"; as for the second sentence, since the word frequency of Zhou Jie is 2, the word frequency after elimination is 1, s...

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Abstract

The invention provides a text retrieval method and a text retrieval device. The text retrieval method comprises the steps of extracting keywords contained in a keyword stock, determining the label class of a text by using the extracted keywords, establishing a label system for the text according to the determined label class, and retrieving the text in the label system by using labels.

Description

technical field [0001] The invention relates to the field of data services, in particular to a text retrieval method and device. Background technique [0002] At present, there are more and more text information on the Internet. However, there is no method to accurately and quickly retrieve the required text information from among the numerous text information. [0003] Therefore, it is an urgent technical problem to be solved at present to provide a kind of text information that can accurately and quickly retrieve required text information from massive text information. Contents of the invention [0004] The invention provides a text retrieval method and device to realize accurate and fast retrieval of text information. [0005] The technical solutions provided by the invention include: [0006] A text retrieval method, comprising: [0007] A. Extract the keywords contained in the keyword library from the text; [0008] B, using the extracted keywords to determine the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 简勤郭正平王全礼曾东廖勤耘
Owner MIGU MUSIC CO LTD
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