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In this paper, a novel method for calculating the second order statistics of some random processes is studied. The second order statistics is described by the level-crossing rate (LCR), the average durations of fade (ADF),and the probability density function (PDF) of fade durations.The second order statistics of capacity process over Rayleigh fading channels and lognormal process are derived using...
In this paper, we propose a novel method to measure the semantic similarity between genes. The key principle of our method relies on both path length between genes' annotation terms in the Gene Ontology and depth of their annotation terms' common ancestor node in the Gene Ontology. Our method applies an exponential transfer function which includes path length and depth as its two parameters to get...
Many of the previous studies show convincing arguments that mining frequent subgraphs is especially useful. Many hidden frequent patterns which are very interesting can not be found by mining single graph. Previous studies as Quasi-Clique have little success with the hub problem. In this paper, we introduce a new conception Correlated-Quasi-Clique and develop a novel algorithm, CoClique, to address...
Monitoring the status of running applications is a real life requirement and important research area. In particular log analysis is often required to understand how the system is behaving during execution. For example it is common for system administrators to collect and view logs from different hardware and software components to gain an understanding into system behavior, especially during activities...
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