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Agile requirement engineering aims at applying agile thoughts to traditional requirement engineering. It is the optimization and improvement of traditional requirement engineering, getting it fit to the continuous changes of requirements. This paper contrasts the agile requirement engineering and the traditional one, studies how agile requirement engineering practices could be applied to modest-sized...
The excess using of chemical fertilizer will be disadvantage to keep the ecological balance and protect environment. Because of long effective, non-pollution, etc, microorganism fertilizer can make up the disadvantages of chemical fertilizer. The key problem of exploitation and using microorganism fertilizer is finds the high effective function strains. Potassium bacterium was a kind of important...
The structural contingency perspective has been widely used in IS research. Researchers suggest that managers should use proper risk management approaches to manage IS development projects according to the degree of uncertainty of the project's environment. This paper develops an integrative model to explore the moderating effects of project uncertainty on the relationship between risk management...
Last decade has proven a drastic change in information technology. Service oriented architecture (SOA), as a new generation of software technique, comes into being to face the challenge of the soaring business varieties and complexities. This paper offers a discussion of service properties and appoints 6 key service properties for SOA. Then, the paper puts forward a role-based reference model for...
Giving an example of a small second pressing water works, the principle, construction and characteristics as well as the application of a automatic constant pressure closed-loop water supply and monitor system, composed of PLC and industrial control configuration software and frequency converter, is introduced in this paper. The system, which is tested in the applying scene, has the features of operating...
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