[Retracted] Mathematical Methods for Sensitive Information Mining Method of News Communication Platform Based on Big Data IOT Analysis

Table 1

Evaluation index system of Internet public opinion.

Class a	Second level	Level 3
Dynamic changes of public opinion	Information variability	Total number of information items under topic
		Information growth rate under topic
	Timeliness index	Initial item information release time
		Last update time of item information
		Aging parameters
	Signature degree	Signature of information
	Publisher influence	Measurement of publisher influence
	Diffusivity	The change of flow and distribution characteristics of information in time
	Network distribution
Public opinion information mining	Attention	Change of published papers
		Review changes
		Response change
	Content sensitivity	Over sensitive information results
	Attitude tendentiousness	Propensity analysis results