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Recently, SCORM standard has deeply influenced e-learning area. But high expense and low efficiency sometimes discourage e-learning project's implementation and SCORM standard's application. The paper proposes a cloud service environment framework and its service mode for SCORM compatible content. It attempts to help content operating agency provide SCORM related services in a cheaper but higher quality...
To improve the ability of system providing service when encounter malicious invasion, a new model of tolerance invasion system is given based on dynamic threshold encryption. The real-time detection of the model is realized by the Collaboration between servers and hosts. The sensitive data in the system apply dynamic threshold encryption, and can change their share with the distribution. The model...
To improve the intelligent and cooperative performance of the integrated reverse engineering system, a control model based on the architecture of Multi-Agent System (MAS) was constructed. This model consisted of three layers: the management Agent layer, the cell Agent layer and the execution Agent layer. The management Agent layer was in charge of coordinating, scheduling and managing all Agents....
An improved generalized gradient vector force for active contour model, named IGGVF is presented in this paper. For the diffusion of GGVF force field virtually depends on Laplace operation and it can be decomposed in the tangent and normal directions and the diffusion in the normal direction plays the major role while the tangent direction has little effect. So the tangent component can be thrown...
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