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Based on systematic collection of the hydrogeological data of coal mine, we analyzed the factors affecting water inrush from coal floor and determined the major factors. We used the fuzzy clustering method to evaluate the water inrush risk from coal floor in order to solve the evaluating limitation of water inrush risk from coal floor by the water inrush coefficient method. The fuzzy clustering method...
Intrusion detection systems could rely on short sequences of system calls to distinguish between legitimate and illegitimate activities. We found that the frequencies of system calls in a particular process generally follow the Zipf's law. It means that there are many sequences which are meaningless to differentiate the ongoing behavior but generate lots of computing waste. Due to improve the performance...
Sequences of system call have become an important data resource of anomaly detection. Considering the large overhead of existing methods to construct normal profile using system call traces, an efficient algorithm is proposed based on STIDE in order to reduce the computing cost. The axis system calls which could represent the characteristics of normal behaviors are extracted by a sequences extracting...
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