Songhe Jin

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With the rapid development of computer science and technology, network attack and defense has become an important research topic in the field of information security. Teaching on network attack and defense technology in universities and research institutions has a very strong experimental characteristic, but due to the special nature and the destructive(More)
Today, the competition between hospitals is very cruel. So the hospital must retain as many patients as possible by increasing satisfaction of the patients. In order to find the key factors of influencing patient satisfaction, this study first designed 27 criteria of the hospital service and constructed the questionnaire based on SERVQUAL model for the(More)
In this paper, the existence, uniqueness and globally exponential stability of the equilibrium point of a dynamic neural network with distributed delays were studied without assumption of boundedness and differentiability of activation functions. Sufficient criteria for existence, uniqueness and global exponential stability of the equilibrium point of such(More)
In this brief, the global exponential stability of fuzzy cellular neural networks(FCNNs) with variable coefficients and unbounded delays was investigated. Without assuming the boundedness and differentiability of the activation functions, based on the properties of M-matrix, by constructing vector Lyapunov functions and applying differential inequalities,(More)
With the rapid development of witkey websites, the amount of witkeys and tasks on the witkey sites as well as has risen sharply, how to accomplish witkeys and tasks rapid matching becomes a critical issue faced by most witkey websites. To resolve this problem, this paper analyzes the online tasks and the witkey behaviors on the websites in detail and(More)
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