Xian-Zhong Zhou

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Quality of service (QoS) model of composite services and web service selection based on QoS are currently the hot issues in the web service composition area. Service selection based on QoS, which is a globally optimal selection issue, is a NP-hard problem. Taking engine into consideration, this paper develops a QoS model for service selection in the web(More)
Audio is one of important information carriers in the multimedia. It contains abundant semantics and enriches information perception and acquisition. At present, it always uses vision information in the multimedia retrieval, but ignores audio information. In this paper, the problem of audio classification is discussed. The combination of Support Vector(More)
Information security is an important feature of C4ISR system, but Federation Gateway and Federate Proxy can't resolve the security problem, so this paper adopts the methods of Gateway-Proxy designing the C4ISR simulation system. The large interacting information between federations is another feature of C4ISR simulation system and single Proxy might(More)
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