With the computer and network technology widely used, workflow has become an important technology for enterprise on coordinating business processes, improving resilience and competitiveness. However, the workflow management system has many security risks, it is very important to study the security mechanism of workflow management system in-depth.This paper based on the current situation of access
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Test case generation is an important part of software testing. Using man-power to calculate test cases is a traditional test case generation method. But it can only reach a low test case amount, as well as not efficient. Some automatic test case generation software use random test case generation method to generate test cases. Random
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The technology of pattern recognition is playing a more and more important role in the following fields:character identification, speech recognition ,biomedical and other areas. With the development of computer technology, the problems that computers faces are becoming more complex. We often come across various high-dimensional datas in life,such us biological gene sequencing data,stock data,satellite remote
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Along with triple play service delivery develop and Web standard gradually unified, a new service-oriented computational model appears, Web services composition as a new software service form, obtained the high speed development and progress, caused the scientific community and the business world attention. With the fast development of network technology, a new service-oriented computational model
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Generalized predicative control (GPC) is a new computer control method, after it presented, it was got favor by industry and control area. A great many of experts and scholars do a lot of studies on it. Nowadays, it is used broadly in airline, petrol, and so on.Though there are many articles and studies on it,
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Name disambiguation aims at resolving the problem of multiple persons having the same name, also called name ambiguity. Name ambiguity is a general problem in the real world, and now become one of the challenges for information integration, information retrieval, and data mining applications, especially with the fast development of the Web. In this thesis,
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With computer and network technology generalized and extended, research and development of workflow become an upsurge. However, since workflow is an emerging in the field, the research available to it is immature. Therefore, it becomes more and more important to the research of workflow security especially of access control. Role-based access control has become hotspot
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According to the performance of industry process,that constraint and nonlinearity.Traditional control strategy could not offer satisfactory result.In this paper,the problem of constrained nonlinear model predictive control is studied via the nonlinear systems theory based on feedback linearization,and extends it to multivariable system.For a class of affine nonlinear systems,nonlinear model predictive control based on feedback linearization
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With the development of SaaS, the progress of Multi-tenancy software catch everyone’s eye, the uppermost value is that every tenement shares the cost of the software, hardware and development and maintenance of applications. However, Multi-tenancy software at present lacks the description of configurations and customizations from special tenements, can not support the configurations and customization
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Through analyzing the clustering algorithm situation of foreign and domain, we get the conclusion that many problems exist in the previous clustering algorithms. The finishing parameters need to be fixed in the traditional hierarchical clustering algorithms. The time complexity of the determination for the parameters is high. The existing background knowledge has not been fully
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