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In this paper we proposed the concept of optimistic rough multi-granularity soft set and pessimistic rough multi-granularity soft set. Basic properties of rough multi-granularity soft sets are presented. Furthermore, we compared the difference between rough multi-granularity soft sets and rough soft sets showed by some illustrative examples. Finally, an algorithm for decision making problem is proposed...
Temporal concept analysis is an extension of formal concept analysis (FCA) that introduces the phenomena related to time. In this work we give the strict mathematical description of the event dynamic transition model using the attribute partial structure diagram. And through a actual example, it is confirmed that is more concise and better visualization of the proposed method, compared with the concept...
Current computing systems often employ sophisticated adaptation mechanisms that enable them to deal with overload conditions. Reduction of Quality (RoQ) attack, a novel category of attack being proposed recently, which exploits the adaptive behavior exhibited by various adaptation mechanisms, can cause different forms of damages to the victim system. For the widely used of adaptation mechanisms, RoQ...
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