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Owing to the deficiency of usage experiences and the information overload of QoE (quality of experience) evaluations from consumers, how to discover the trustworthy cloud services is a challenge for potential users. This paper proposed a cloud service recommendation approach based on trust measurement using ternary interval numbers for potential user. The concept of ternary interval number is introduced...
In grid computing, deadline-guarantee is one of the most mentioned QoS requirements for applications. However, the resource heterogeneity and the unpredictable workloads make it difficult for grid system to provide deadline-guarantee. In this paper, a novel approach is proposed to evaluate the deadline- guarantee of various co-allocation policies. By this approach, a hybrid-policy co-allocation model...
With the converging of grid computing and Web service, grid has extended its territory from traditional computing grid to service-oriented grid, which is aiming to realize coordinated resource sharing and problem solving through service selection and composition. Therefore, selecting credible services for applications becomes a key issue in grid environment. Current research on trust inherits the...
With the converging of grid computing and Web service, grid has extended its territory from traditional computing grid to service oriented grid, aiming to realize coordinated resource sharing and problem solving through service selection and composition. Therefore, selecting credible services for applications becomes a key issue in grid environment. To ensure this, a Bayesian network based approach...
In grid environments, advance reservation mechanism is to provide reliable resource co-allocation and scheduling for applications. However, excessive advance reservation will bring about many negative effects for system's performance, such as lower resource utilization and higher rejection rate. To mitigate these negative effects of advance reservation, a relaxed reservation strategy is proposed,...
In grid systems, co-allocation is a key infrastructure to schedule heterogeneous and distributed resources for high-level applications. Although it has been widely studied, QoS-based resource co-allocation still remains an unsolved issue. In this paper, we propose a novel QoS-based co-allocation model for the grid applications with constraints to budget and deadline. A new concept, called virtual...
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