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When Existed Web Services can't meet the requirement of server consumer, a failure will occur. To solve the problem, this paper proposes an adaptive selection model for Web Services selection model. The model can calculate the strength of user's constraints, and tentatively modify the constraints. The model can select the most appropriate Web Services for services consumer, and improved the success...
With the increasing numbers of Web services and service users on World Wide Web, predicting QoS(Quality of Service) for users will greatly aid service selection and discovery. Due to the different backgrounds and experiences of users, they have different QoS experiences when interacting with the same service. Even two users who have similar experiences on some services can have diverging views when...
This paper considers the problem of robust dynamical order assignment by derivative input feedback of descriptor systems. Descriptor systems provide us a more general description of physical systems, and this description is of great advantage than normal systems. Consequently and undoubtedly, descriptor systems have led us into a virgin land which is full of challenges and opportunities. Because of...
This paper presents a new approach to eliminate false positive lung cancers based on state variance, according to the variance of morphologic features between adjacent CT slices. First, the regions of interest (ROI) in CT images are selected by dual fast marching method, and the morphologic features of ROI like area and centroid are extracted; then, the layer features are extracted with morphologic...
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