نتایج جستجو برای: workflow scheduling
تعداد نتایج: 88809 فیلتر نتایج به سال:
Many scientific applications running in Cloud Computing system are workflow applications that contains large number of tasks and in which tasks are connected by precedence relations. Efficient scheduling the workflow tasks become a challenging issue in Cloud Computing environments because the scheduling decides performance of the applications. Unfortunately, finding the optimal scheduling is kn...
Robustness and reliability with respect to the successful completion of a schedule are crucial requirements for scheduling in scientific workflow management systems because service providers are becoming autonomous. We introduce a model to incorporate trust which indicates the probability that a service agent will comply with its commitments to improve the predictability and stability of the sc...
Workflow concepts are well suited for scenarios where many distributed entities work collaboratively together to achieve a common goal. Today, workflows are mostly used as computerized model for business processes executed in instances in commercial Workflow Management Systems. However, there are many other application domains where computersupported cooperative work can be captured and organiz...
TOWARD PRACTICAL MULTI-WORKFLOW SCHEDULING IN CLUSTER ANDGRID ENVIRONMENTS byZHIFENG YUMay 2009 Advisor: Dr. Weisong ShiMajor: Computer ScienceDegree: Doctor of PhilosophyWorkflow applications are gaining popularity in recent years because of the prevalence ofcluster and Grid environments. Many algorithms have been developed ever since, howevertwo fundamental cha...
Service-oriented grid environment enables a new way of service provisioning based on utility computing models, where users consume services based on their QoS (Quality of Service) requirements. In such “pay-per-use” Grids, workflow execution cost must be considered during scheduling based on users’ QoS constraints. In this paper, we propose a knowledge-based ant colony optimization algorithm (K...
Cloud Computing refers to a paradigm whereby services are offered via internet using pay as you go model. Services are deployed in data centers and the pool of data centers is collectively referred to as "Cloud". Data centers make use of scheduling techniques to optimally allocate resources to various jobs. Different scenarios require different scheduling algorithms. The selection of ...
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