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In the service-oriented architecture, component services can be composed to provide value-added services. The notion of composite service skyline facilitates obtaining a QoS-optimal service combination. State-of-the-art approach to computing composite service skyline assumes that candidate services of different tasks are independent. However, real-word services are usually QoS-correlated. To this...
Currently, the number of Web services on the Internet is growing exponentially. Faced with a large number of functionally equivalent candidate services, users always hope to select the optimal one that can provide the best QoS values. However, users usually do not know the QoS values of all the candidate services as the limited historical service invocation records. Different QoS prediction methods...
Dynamic spectrum sharing problem (QADSS) under QoS constraints in TDMA-based MIMO Ad Hoc network is investigated. Using a stochastic approximation approach, an on-line recursive scheme is derived to be capable of learning the underlying channel distribution dynamically. A simple yet optimal algorithm via primal and dual decomposition is further employed to solve the constrained utility maximization...
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...
Understanding human intention and performing different activities automatically is one of the key problems in pervasive computing. In this paper, a new location-based search computing framework (LoSeCo) is proposed to allow one's pervasive device to augment search devices. The objective of our problem is to recognize the real-time user goal through goal inference from traditional Wi-Fi localization...
Next generation communication will offer a wide range of services available to users anywhere at any time, which needs the heterogeneous network to support. Enabling users access service resource effectively across heterogeneous network enhance the users experience. This paper presents an intelligent handover control model based on selection strategy for aiding users handover in this'one user with...
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...
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