An information filtering method and device
A technology for information filtering and filtering information, applied in the field of communication, can solve the problems of low efficiency of maintaining blacklists and low timeliness of information
Active Publication Date: 2016-09-28
新浪技术(中国)有限公司
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Problems solved by technology
[0009] Embodiments of the present invention provide an information filtering method and device to solve the problems of low efficiency in maintaining blacklists and low timeliness of information release in the prior art
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Embodiment Construction
[0023] The embodiment of the present invention provides an information filtering method and device. The method first judges whether the information to be filtered contains the preset sensitive word in the first blacklist through the rule filtering method. The learning filtering method judges whether it is illegal information, and if so, deletes the published information to be filtered, otherwise keeps the publishing status of the information to be filtered. Through the above method, the first blacklist that needs to be maintained only includes sensitive word segmentation, thereby effectively reducing the number of word segmentation in the blacklist that needs to be maintained, and improving the efficiency of maintaining the blacklist. When the information does not contain sensitive word segmentation, the information can be released directly. Even if the information is illegal information other than sensitive information, the published information can be deleted through machine ...
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The invention discloses a method and device for filtering information. By means of the method and device for filtering the information, the problems that the efficiency of maintaining a blacklist is low and the timeliness of information release is low in the prior art are solved. The method for filtering the information includes the steps: judging whether to-be-filtered information contains sensitive words or not through a rule filtering method, filtering out the to-be-filtered information if the to-be-filtered information contains the sensitive words, judging whether the to-be-filtered information is illegal information or not through a machine learning filtering method if the to-be-filtered information does not contain the sensitive words, deleting the released to-be-filtered information if the released to-be-filtered information is illegal, and reserving the released to-be-filtered information if the released to-be-filtered information is legal. According to the method for filtering the information, the blacklist which needs to be maintained only includes the sensitive words, the number of words in the blacklist which needs to be maintained is reduced effectively, and the efficiency of maintaining the blacklist is improved. Further, the to-be-tested information is released directly after the fact that the to-be-tested information does not contain the sensitive words is confirmed through the rule filtering method, the released information is deleted through the machine learning filtering method even if the released information is the illegal information other than sensitive information in the following step, and thus the timeliness of information release is improved.
Description
technical field [0001] The present application relates to the field of communication technologies, and in particular to an information filtering method and device. Background technique [0002] Currently, information filtering technology is usually used in application scenarios such as forums, blogs, and emails to filter illegal information posted by users, such as sensitive information, advertising information, reactionary information, pornographic information, etc. [0003] In the prior art, there are mainly two methods for information filtering: [0004] The first is the rule filtering method. This method mainly is to add illegal participle in blacklist in advance, when filtering, judge whether information to be filtered contains the illegal participle in this blacklist, if yes, then determine that this information to be filtered is illegal information, filter this information to be filtered, Otherwise, it is determined that the information to be filtered is not illegal...
Claims
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IPC IPC(8): H04L29/06
Inventor 戴明洋
Owner 新浪技术(中国)有限公司