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arXiv 1102.4178cs.SE
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混合可变需求路线图及其在自适应系统需求工程中的作用

Mixed-Variable Requirements Roadmaps and their Role in the Requirements Engineering of Adaptive Systems

Ivan Jureta, Alexander Borgida, Neil A. Ernst

摘要:

需求路线图的概念被引入作为自适应系统的需求工程的问题的解决方案。这个概念需要一个新的一般定义的要求问题,允许定量(数值)变量,连同定性(二进制布尔)命题变量,并区分监控控制变量中使用的控制回路。我们研究这些变化的后果,并认为,需求路线图的概念桥梁之间的差距,目前的一般定义的需求问题及其解决方案的概念,并研究到放松的要求,评估他们的部分满意度,并监测和控制的要求,在自适应系统需求工程中特别感兴趣的所有主题[Cheng et al. 2009]。从理论的角度来看,我们清楚而正式地展示了更传统的需求工程概念(例如,Zave & Jackson [1997])和自适应系统的需求工程(从Fickas & Feather [1995],到Letier & van Lamsweerde [2004],再到Whittle et al. [2010]和最近的研究)。从工程的角度来看,我们定义了一个原型框架的早期需求工程的自适应系统,这说明了在未来的需求框架,这类系统所需的功能。

英文摘要:

The requirements roadmap concept is introduced as a solution to the problem of the requirements engineering of adaptive systems. The concept requires a new general definition of the requirements problem which allows for quantitative (numeric) variables, together with qualitative (binary boolean) propositional variables, and distinguishes monitored from controlled variables for use in control loops. We study the consequences of these changes, and argue that the requirements roadmap concept bridges the gap between current general definitions of the requirements problem and its notion of solution, and the research into the relaxation of requirements, the evaluation of their partial satisfaction, and the monitoring and control of requirements, all topics of particular interest in the engineering of requirements for adaptive systems [Cheng et al. 2009]. From the theoretical perspective, we show clearly and formally the fundamental differences between more traditional conception of requirements engineering (e.g., Zave & Jackson [1997]) and the requirements engineering of adaptive systems (from Fickas & Feather [1995], over Letier & van Lamsweerde [2004], and up to Whittle et al. [2010] and the most recent research). From the engineering perspective, we define a proto-framework for early requirements engineering of adaptive systems, which illustrates the features needed in future requirements frameworks for this class of systems.

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