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Business Process Execution Language for Web Services (abbreviated to BPEL) is a language for specifying business process behavior based on Web services. But it cannot ensure the correctness of desired specification and properties exhibited by the BPEL control flow. Based on an analysis of the grammar and control flow of BPEL language, we first propose a formal model for BPEL and give the semantics...
CBA is a classification algorithm integrating association rule mining and classification. CBA has been widely used in data mining areas because it has higher accuracy than C4.5. When the samples become more and more large and characteristic attributes become more and more numerous, CBA algorithm becomes much lower. In this paper, an improved CBA algorithm based on rough set is proposed. The improved...
Aimed at some weaknesses of the traditional watermarking algorithms, this paper presents an improved watermarking algorithm for meaningful image. The discrimination rate of image watermarking can be improved by processing the image with the Arnold transformation and the correlation detection, multiplying the spectrum of the watermarking with the pseudo-random series, the pseudo-random series was taken...
A novel adaptive hybrid biologically-inspired algorithm has been proposed in this paper especially for function optimization problems. Four algorithms were studied in the paper, including classical particle swarm optimization (PSO), genetic algorithm (GA), hybrid particle swarm optimizations and hybrid genetic algorithm. The main idea is to incorporate PSO with GA, which can be achieved by a fuzzy...
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