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	Services selection based on commodity-market in grid workflow
	Ni Wan-cheng ; Liu Lian-chen ; Wu Cheng
	2010-05-06 ; 2010-05-06
关键词	Practical/ commodity trading grid computing knapsack problems pricing quality of service resource allocation Web services workflow management software/ grid workflow resources utilization greedy competition QoS Web services composition on-demand grid service selection commodity market 0-1 multidimensional knapsack problem economic price-demand relationship load balance grid resource/ C7120 Financial computing C6150N Distributed systems software
中文摘要	Services selection is important in grid workflow. To deal with the inefficient resources utilization brought by greedy competition for QoS in current Web services composition methods, an "on-demand" grid services selection method based on commodity market was put forward. Based on global evaluation model for grid workflow, services selection was modeled as a 0-1 multi-dimensional knapsack problem by transforming the service requester's requirements into constraints. Furthermore, the selection model was improved with economic "price-demand relationship". Finally, experiments show that the proposed services selection method can bring load balance, which is helpful to the utilization of grid resources.
语种	中文 ; 中文
出版者	Science Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/9303]
专题	清华大学
推荐引用方式 GB/T 7714	Ni Wan-cheng,Liu Lian-chen,Wu Cheng. Services selection based on commodity-market in grid workflow[J],2010, 2010.
APA	Ni Wan-cheng,Liu Lian-chen,&Wu Cheng.(2010).Services selection based on commodity-market in grid workflow..
MLA	Ni Wan-cheng,et al."Services selection based on commodity-market in grid workflow".(2010).

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