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Compared to critical systems, the user of Android is more concerned about the application launch time. It needs to perform rejuvenation to improve the user experience when the Android suffers from software aging that would lead to an increase of the launch time. Also, rejuvenation can incur in some costs. So it is important to make an optimal rejuvenation strategy to minimize these costs and improve...
Understanding critical aspects of software fault-proneness prediction contributes significantly to building effective fault-proneness prediction models. This paper conducts an investigation of essential topics in this area, including techniques for evaluating the effectiveness of fault-proneness prediction models, issues of concerns when building the prediction models, as well as findings shared by...
Nowadays the application status of Software-Intensive Systems(SISs) introduces a category of system failure caused by unforeseen operation or environment change. Generally speaking this kind of failure can be observed as system emergent behavior or degraded running. Because it relates to both the running time and state, it is called Time/State(TS)-based SISs failure. Moreover it is one of the significant...
Software Product Line Engineering (SPLE) is a promising process for software development that has started to mature in the past ten years. Early indications are that it provides an improvement in productivity of about 3 to 1 over the software production and sustainment cycle of systems [2]. Although SPLE has been effective for early adopters, we still need to continue research to provide evidence...
The current education model and practices in the Higher education sector in China have been successful in educating students for academic excellence, for producing industry-linked and practice-oriented graduates, who could quickly fit into the industrial working environment, has been a problem. There is a big gap between the theoretical knowledge learned in school and the practical knowledge and skills...
A modeling and calculation method for the RCS of complicated satellite targets is given in this paper, and the method is applied in the calculation of cube and cylinder with perfect conductor characteristic. Finally, the paper gives the instance of calculation to satellite target's RCS, and contrasts the result between satellite with metal and satellite with multi-layer material. We get the conclusion...
Software and system prototyping is an undergraduate course for computer science major. Case studying is an effective instruction method for the course. A number of cases have been designed. One of such cases is autopilot system prototyping. Autopilot system is a complex real-time system with high safety and reliability. Some relevant critical issues must be simulated using rapid prototyping approach...
The concept of value can be formalized as the ratio of benefits to costs. The value is realized if total benefits outweigh total costs, while value-adding consists of delivering higher benefit at lower cost. Software Product Line Engineering (SPLE) has shown its power to bring benefits and reduce costs for practitioners in various domains, however, systematic value-adding analysis is rare and adding...
The emergence of electronic commerce has changed the traditional business model, it has changed vendors and customers. Expanded customer choice makes them pay more attention to the value of goods, rather than before the first brand and geographical factors into account. Therefore, in terms of the seller, as much as possible about their customers, and conducting business activities for customers efficiently...
The ability of automatic web service composition to create a new composite web service is one of the key enabling features for the future for the semantic web. There are some successful methods for automatic web service composition, but the lack of standard, open, and scalable test environment makes the comparison and evaluation of these composition methods impossible. In this paper we propose a light...
Service descriptions via Web Services Description Language (WSDL) are necessary but not sufficient to service selection based on service trust. we need a means to collect nonfunctional information about services and use that information to assign dynamic trust levels to the service providers and implementations. In this paper, we briefly discuss the problem of service selection, given some correlation...
This paper mainly introduces the application of Sunway ForceControl configuration software in the vehicle gasohol delivery system, and explains the hardware system structure and software implement. The system regards Sunway ForceControl configuration software as the development tools for host computer software. The vehicle gasohol delivery system can be monitored and controlled by host computer by...
This paper is intended to serve as an introduction to the conceptual design of control system for a compact free electron laser (FEL) terahertz radiation source (FTRS). The general architecture of the control system is presented. The hardware components, software design, communications and subsystems are described in the paper. We also discuss a novel method of using Matlab Simulink\stateflow to simulate...
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