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As software continues to expand the scale and more and more reliability requirements come from users, how to measure reliability of each component of the software has become a key issue in software development. So, in this paper, a novel guarantee-verification method based on cloud service was proposed from the aspect of component service. First, the component's trustworthiness was defined in terms...
Agile software development is a kind of lightweight development method, which can satisfy to the changes of requirements. This paper applies formal methods into agile software development, and investigates the method to adopt the rCOS in agile software development through convincing examples to improve software trustworthiness.
In recent years, architecture analysis & design language (AADL) has been applied to the development of dependable real-time systems, in which the quality of the developed software is an important factor. Thus, to make sure that real-time systems are really dependable, we must verify the important properties, such as safety and reliability. This paper describes a contribution to the transformation...
Automated model checking shortcomings is prone to state explosion. In this paper, we propose abstraction framework based on Promela models, and transform the source of Promela models to the abstract target of Promela models. On this basis, we analyze the reasons for the complexity of model checking based on Promela models. Finally we reduce the number of state-generated under the condition of verification...
Layering is a concept widely used in computer and software modeling. Many modern information systems are designed and built using a layered model where the function of each layer is specified and well defined. In this paper we will be discussing the layer whose responsibilities include data extraction, manipulation and provision of data to the rest of the application. Common design problems that designers...
Systems verification requires first to model the system to be verified, then to formalize the properties to be satisfied, and finally to describe the behaviour of the environment. This last point, known as the proof context, is often neglected. It could, however, be of great importance in order to reduce the complexity of the proof. The question is then how to formalize such a proof context. This...
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