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In this paper, we propose an adaptive quality recommendation mechanism to help software service providers understand the dynamism of quality demand from the majority of requesters accurately. The unique feature of our approach is that based on the intra-cluster proximity index (called the icp-index) that we propose, the granularity of service clustering can be adjusted dynamically to meet the wide...
As Web services are widely adopted, the nonfunctional requirements (i.e. QoS constraints) have become a significant factor in implementing trustworthy and predictable service applications. In this paper, we analyze the QoS publishing necessity, and categorize QoS parameters to refine their characteristics. Then we propose a conceptual publishing model, which is adaptive for the distributed and decentralized...
In this paper, we aim to construct quantifying trust model based on service level agreements (SLAs) as well as feedbacks from service consumers. The proposed model can aggregate the feedbacks weighted by both trust factor and similarity factor to give quantitative prediction of the target services' trustworthiness. By comparing with traditional prediction algorithm, we show that our methodology gives...
The bearingless permanent magnet synchronous motor (BPMSM) is an innovational type of motor, which has all excellence of magnetic bearings. The BPMSM is a high-order, nonlinear and strong coupling multivariable system. Bearingless motors have a set of torque windings and a set of additional suspension force windings in the stator slots. In order to realize the rotor suspending and motor operation...
The bearingless permanent magnet synchronous motor (BPMSM) is an innovational type of motor, which has all excellence of magnetic bearings. The BPMSM is a high-order, nonlinear and strong coupling multivariable system. Bearingless motors have a set of torque windings and a set of additional suspension force windings in the stator slots. In order to realize the rotor suspending and motor operation...
This paper presents a mechanism considering both browse and query for semantic information portals to retrieve information based on Knowledge Base. Our browse mechanism utilizes ontology query languages to let users browse freely, and a graphical query interface is proposed to facilitate users formulating ontology based query.
This paper presents a mechanism considering both browse and query for semantic information portals to retrieve information based on Knowledge Base. Our browse mechanism utilizes ontology query languages to let users browse freely, and a graphical query interface is proposed to facilitate users formulating ontology based query.
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