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Intrusion Detection System (IDS) is the key technology to ensure the security of dynamic systems. We employ a sequential pattern mining approach to discover significant system call sequences to prevent malicious attacks. To reduce the computing time of generating meaningful rules, we design a weighted suffix tree structure to detect intrusive events on the fly. The experimental results show our method...
In view of complexity of the construction engineering quality and fuzziness of quality evaluation, AHP-based multi-level fuzzy comprehensive evaluation become the advantage model for construction engineering quality assessment. The core computing of Fuzzy Evaluation is the membership conversion; however, membership conversion way at present has a problem of redundancy. Because of this, we use entropy-based...
Three parallelization approaches used in the program of discharge simulation along resin insulator surfaces in SF6/N2 gas mixture which initially consumes a great deal of computational time and suitable for implementation on computer systems with symmetric multiprocessor (SMP) architecture are developed and validated in this paper. The approaches include: (i) static domain decomposition using a distributed...
Based on the characteristics of the equipment support and the current war factual situation, the rush-repair task of damage equipment was classified according to different urgent level. Then the rush-repair task assignment model was made based on the urgent level of the damaged equipment, and the method is given to solve the model. Finally, the example validates the model and the result indicates...
In computer vision system, detection of moving targets has interference in subsequent processes including classification, tracking and recognition. Background subtraction method is commonly used in image segmentation for moving region of video. This paper puts emphasis on background model update based on mixture models of Gaussian in complicated situation, and implements an adaptive learning method...
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