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Since finding and extracting a fixed signature for metamorphic viruses is hard due to the fact that, their shape changes frequently. Virus writers by using obfuscation methods make their viruses undetectable, in order to disable anti viruses to detect them easily, which ends in metamorphic viruses. We used hidden Markov model to propose the Detection Sphere method. We used three elements of a string...
Selecting appropriate tools for car assembly lines usually demands hours or even days of expert tool engineers consulting catalogues, examining the joint properties and studying technical guidelines or specifications. The number of available alternatives, the great number of parameters defining the joint and tool, and uncertain and sometime perceptional and heuristic nature of tool selection knowledge,...
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.