The Study of Network Information Security Based on Information Filtering Technology

Abstract

It is analysed and summarized the China’s big ten network media events in recent years, and concluded the commonness among the network hot events and the causation that attention by netizens. According to the characteristics of the events, it is extracted keywords, record and statistics the appearing and propagation characteristics of the events in the network, and researched the optimization method for keywords. Finally, the keywords entered in network community warning and tracking system, mainly distributed in the router, the application server, terminal software, and the corresponding application is Forum、network access、email、instant messaging and online community, then conduce to the community network opinion supervision and management, in order to maintain social stability.