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Information content security on the Internet:the control model and its evaluation

Science china(Information Sciences) 2010年第1期53卷 30-49页

作者： fang binxing1, guo yunchuan2,3 & zhou yuan4 1school of computer, beijing university of posts and telecommunications, beijing 100029, china 2Institute of Computing Technology, Chinese Academy of Sciences, beijing 100190, china 3Graduate university of Chinese Academy of Sciences, beijing 100049, china 4National computer Network Emergency Response Technical Team/Coordination Center of china, beijing 100029, china school of computer Beijing University of Posts and Telecommunications Beijing China Institute of Computing Technology Chinese Academy of Sciences Beijing China Graduate university of Chinese Academy of Sciences Beijing China National computer Network Emergency Response Technical Team/Coordination Center of china Beijing China

Flooding of harmful information on the Internet seriously endangers the physiological and mental health of teenagers. Due to the user-friendliness of the Internet as well as the difficulty in the authentication for the access of specific categories of information, curbing the transmission of harmful information, i.e., assuring the information content security (ICS), has become a reasonable yet challenging alternative. At present, there is an urgent need to develop a systematic model that can effectively carry out the curbing. In fact, curbing the transmission of harmful information by way of filtering can be modeled by access control. In the paper, based on the three core-elements of communication, namely, "Who communicates with whom", "How do they communicate" and "What is the content of communication", we propose a control model, called ICCON. Unlike the existing access control, the reference monitor (RM) of our model is placed in the transmission channel, and moreover, an evaluation frame is proposed, through which the effectiveness of the RM in controlling information transmission on the Internet can be quantitatively evaluated.

关键词： content security access control quantitative evaluation

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