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With the development of intelligent transport systems (ITS) and vehicular ad hoc network (VANET), vehicular cloud computing (VCC) has been proposed to bring essential and potential benefits, such as improving traffic safety and offering computational services to road users. To make such computational services reliable and secure, the computation results from the vehicular cloud (VC) should be verifiable...
CMMI(Capability Maturity Model Integration) is a process framework which is organized by goals, practice and process area. The Maturity Level 3 stressed that the project level process must be tailored from the organization level process, that is to say, no matter how the project level process changes, it must satisfy the constraints of the organization level process. However, companies usually prefer...
Video telephony has recently gained its momentum and is widely adopted by end-consumers. But there have been very few studies on the network impacts of video calls and the user Quality-of-Experience (QoE) under different network conditions. In this paper, we study the rate control and video quality of Skype video calls. We first measure the behaviors of Skype video calls on a controlled network testbed...
Next Generation Networks (NGNs) transport a variety of services across a converged IP-based network infrastructure. To assure the Quality of Experience (QoE) for the users, an end-to-end Quality of Service (QoS) management is required. While solutions for QoS management and admission control in access and core networks exist, the inclusion of the home network remains still open. Thus, we present a...
The development of service-oriented applications grows rapidly these years and gains more and more attention both from industry and from academe. Service-oriented applications are assembled from building blocks called service components whose profiles are defined by service specifications. When the dynamic changes happen in the service-oriented architectures, the service discovery and substitution...
As modern service industry (MSI) improves with economic restructuring in China, emerging user-central applications bring enormous challenges to current communication networks characterized with heterogeneity. In this paper, the next generation heterogeneous network (NGHN), which offers such an integrated end-to-end IP-based infrastructure, is envisaged to support personal mobility and seamless service...
Business process modeling is an important topic of enterprise modeling. Modeling process can help us to define new process, evaluate and improve existing ones. As the development of Internet and B2B commerce, business partnerships are being fostered in order to broaden the scope of their market. Business process thus has been scatted over multiple organizations. At the same time, each participant...
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