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Keyword extension method and device

A technology of keywords and web pages, applied in the Internet field, can solve the problems of inability to expand keywords, uncertainty of expansion results, and inability to give categories of words.

Inactive Publication Date: 2014-05-28
亿赞普(北京)科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the topic model algorithm and the simrank algorithm are unsupervised machine learning algorithms, which cannot give the category to which a group of words belongs, so they cannot expand keywords for a specific category, that is, the expansion results are uncertain

Method used

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  • Keyword extension method and device
  • Keyword extension method and device

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Embodiment Construction

[0048] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0049] refer to figure 1 , which shows a flow chart of Embodiment 1 of a keyword expansion method of the present application, which may specifically include:

[0050] Step 101, obtaining web page samples and corresponding keywords;

[0051] The embodiments of the present application can expand keywords for various specific categories, so that the expanded keywords can be applied to various Internet fields such as Internet marketing and search engine optimization ranking.

[0052]Taking the application in the field of Internet marketing as an example, if an advertising company needs to place an advertisement for a certain skin disease to specific users on the Internet, in order to target the specific use...

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Abstract

The invention provides a keyword extension method and device. The method specifically includes: acquiring webpage samples and corresponding keywords; classifying the webpage samples as a category class or a non-category class according to occurrence frequency of given keywords in a category in the keywords of the webpage samples; making statistics on the webpage samples before and after classification to obtain information gain of each keyword in all the webpage samples; selecting a plurality of the keywords, with maximum information gain, as extended keywords in the category. The method and device can extend the keywords for a specific category to obtain extended results with determinacy.

Description

technical field [0001] The present application relates to the technical field of the Internet, in particular to a keyword expansion method and device. Background technique [0002] At present, with the development of Internet technology, the application of keyword technology in the Internet field has become more and more extensive. For example, it can be applied to various Internet fields such as Internet marketing and search engine optimization ranking. [0003] Taking the application in the field of Internet marketing as an example, if you can find keywords in a certain category, you can target users who are interested in this category on the Internet, so that precise marketing can be carried out for the targeted users. The expansion of keywords is used to find keywords in a certain category. For example, an advertising company needs to deliver an advertisement for a certain skin disease to specific users on the Internet. In order to target the specific users to be placed...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06F17/27
CPCG06F16/353
Inventor 李鹏罗峰黄苏支李娜
Owner 亿赞普(北京)科技有限公司
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