Online internet topic mining method based on improved LDA model
An Internet and model technology, applied in the Internet field, can solve the problems of rationality, timeliness, calculation efficiency and accuracy discount, unreasonable and so on
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[0034] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.
[0035] (1) Using the On-LDA model as the basis, it conducts online mining on topics contained in a large number of webpage resources in the Internet. The On-LDA model is an improved LDA model that supports dynamic and online topic mining. Its probability graph model is as follows: figure 1 As shown, the meaning is: the process of mining n webpages (documents) to generate k topics can essentially be regarded as a generation process of a webpage (document) word set, that is, first use the current h...
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