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Keyword Expansion Method and Device Based on Semantic Similarity

A technology of semantic similarity and keywords, applied in the field of information retrieval, can solve problems such as unstable quality

Active Publication Date: 2020-10-23
GUANGZHOU YOUMI INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, the present invention provides a keyword expansion method and device based on semantic similarity, which can overcome the defect of unstable quality existing in existing keyword expansion methods

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  • Keyword Expansion Method and Device Based on Semantic Similarity
  • Keyword Expansion Method and Device Based on Semantic Similarity
  • Keyword Expansion Method and Device Based on Semantic Similarity

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0042]Although the steps in the various embodiments of the present invention are arranged with labels, they are not used to limit the order of the steps. Unless the order of the steps is clearly stated or the execution of a certain step requires other steps as a basis, the relative order of the steps can be used. adjusted.

[0043] figure 1 It is a schematic flow chart of the keyword expansion method based on semantic similarity of an embodiment; as figure 1 As shown, the keyword expansion method based on semantic similarity in this embodiment includes steps:

[0044] S11, receiving keywords to ...

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Abstract

The invention relates to a keyword expansion method and device based on semantic similarity. The method includes the steps of receiving keywords to be expanded, and calculating the semantic similaritybetween each candidate keyword in a predetermined candidate keyword set which includes a plurality of candidate keywords and the keywords to be expanded; obtaining search indexes of each candidate keyword in a application library platform, and calculating similarity scores of each candidate keyword relative to the keywords to be expanded according to the semantic similarity, preset semantic similarity weights and the search indexes of each candidate keyword; according to the order from high to low of the similarity scores, selecting a set number of candidate keywords from the candidate keyword set to obtain expanded keywords of the keywords to be expanded. The method can automatically screen out the keywords with high similarity, achieve mass production, and simultaneously ensure the quality of expansion.

Description

technical field [0001] The invention relates to the technical field of information retrieval, in particular to a keyword expansion method and device based on semantic similarity. Background technique [0002] With the rapid development of smart terminals, it has driven the development of the mobile Internet software industry. More and more users download various APPs (applications) from application library platforms (ie, application stores) in smart terminals. According to data from Wikipedia, 65% of users search and download desired applications through application stores. Therefore, in order to improve the search quality of their own APP in the application store, APP developers need to do a good job in the optimization of the application store. One of its key tasks is to do a good job in APP keyword optimization, and the core content of keyword optimization is to expand the key keywords of APP. [0003] At present, based on the specific industry knowledge background of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/9535G06F40/30
CPCG06F16/9535G06F40/30
Inventor 翁永金李百川陈第蔡锐涛李展铿
Owner GUANGZHOU YOUMI INFORMATION TECH