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To enhance formal analysis, activity diagrams annotated with MARTE stereotypes are mapped into timed colored Petri nets with inhibitor arcs (TCPNIA). The mapping rules for the elements of activity diagrams and MARTE stereotypes are proposed respectively. The rules to map pin nodes and object flows to Petri nets are presented. These nodes can improve activity diagrams' modeling abilities for complicated...
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...
Unified modeling language (UML) sequence diagrams combined with the UML profile for modeling and analysis of real-time and embedded (MARTE) systems are used to represent the systems' requirements. To enhance formal analysis, sequence diagrams annotated with MARTE stereotypes are mapped into timed colored Petri nets with inhibitor arcs (TCPNIA). The mapping rules for the fragments of sequence diagrams...
Reputation is a key factor to enhance reliability and performance of transactions in the network. Many works have focused on rating the reputation of the entities through kinds of technologies. The entities send the request messages about reputation to other entities when they need the reputation of the target entities. Considering the nodes population is highly transient in open network, and the...
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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