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Email spam is a critical problem to the Internet for a long time. The average amount of spam mail reached 72.1% of all email traffic in the world in 2012. The greatest threat to the email service providers was the spam mail sent from botnet, because the spam mail sent from botnet was accounting for more than 78% in 2011; therefore appeared many anti-spam solutions and techniques that were focus on...
After defining two ideas lattice and convert channel, this paper analyses detecting methods of convert channel including SRM, syntactic information flow analysis, semantic information flow approach and non-interference method. This paper put forwards one method of improved syntactic information flow processing. The idea in this kind of method is that we design PC to sign every row of program, and...
With the rapid development of computer network, constructing enterprise information system has been improved greatly. When designing information system for certain enterprise, we usually compile it with some standard components instead of developing a thorough new version. This presents us some new problems, for example information overload, complicated system, data conflict and so on. If the components...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.