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In e-science environment researchers can submit complex tasks as scientific workflows. However, because the network may be blocked or even interrupted sometimes, it can hinder the researchers to submit tasks, as well as the overload on the server. Additionally, many tasks submitted by researchers may use the same resources, which may result in the overload of the specific resources. Meanwhile, some...
A key step for grid service composing rests with the selection of the individual service. A two layered mixed trust model (TLMTM) for grid service selection based on automated trust negotiation ATN is presented. The model combines trust mechanism with ATN. The upper layer of TLMTM is the service composition trust template (SCTT) that it can ensure those services with the higher trust value to be selected,...
Based on service-oriented grid environment,the paper put forward a method of resource reservation which to construct a resource reservation tree(RRT).If the resource reserved before turns into invalidation, the substitute can be found directly in RRT and needn 't to initiate a process of discovery and negotiation again. The method can avoid a failure of resource reservation and advance its reliability...
Grids aim at exploiting synergies that result from cooperation of autonomous distributed entities. For this cooperation to be sustainable, participants need to have economic incentive. Within service-oriented Grids, resources may be advertised and traded as services, and QoS requirement is the most important attribute. In this paper, we build on two intellectual threads: market-based approaches and...
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