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Orientation analysis-based classification model building and content identification method and device

A classification model and establishment method technology, applied in the field of content recognition, can solve the problem of low reliability and achieve the effect of improving reliability

Inactive Publication Date: 2013-10-02
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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Problems solved by technology

This identification method is not reliable

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  • Orientation analysis-based classification model building and content identification method and device
  • Orientation analysis-based classification model building and content identification method and device
  • Orientation analysis-based classification model building and content identification method and device

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Embodiment Construction

[0056] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0057] It should be noted that the term "and / or" in this article is only an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, and A exists at the same time and B, there are three cases of B alone. In addition, the character " / " in this artic...

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Abstract

The invention provides an orientation analysis-based classification model building and content identification method and device. On one hand, according to the embodiment of the invention, first content features are obtained according to a filtered second training data, and further, according to the mutual information of the first content features appearing in a first content category to the first content features appearing in a second content category, the first content features are filtered so as to obtain second content features, so that a classification model can be trained by utilizing the second content features; and as the first content features are filtered according to the mutual information of the first content features appearing in a first content category to the first content features appearing in a second content category, the second content features with higher distinguishing ability can be obtained, and thus, the classification model trained by utilizing the second content features with the higher distinguishing ability is capable of more accurately identifying content with negative orientation, and therefore, the reliability of content identification is improved.

Description

【Technical field】 [0001] The invention relates to content identification technology, in particular to a method and device for establishing a classification model based on tendency analysis and content identification. 【Background technique】 [0002] The information on the Internet today is rich and varied, and most of the information is beneficial to us, but there are also some negative information mixed in, such as reactionary political information, pornographic information and other information with a negative tendency. These negatively inclined information usually have a bad influence on readers. For example, reactionary political information will deceive readers, easily arouse reactionary emotions in readers, and is not conducive to social harmony and stability; another example, pornographic information will endanger the mental health of young people and affect the healthy growth of minors. Therefore, being able to accurately identify these negatively inclined informatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/27
Inventor 陈洪亮
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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