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Preface

机译:前言

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摘要

An important concern for modern software systems is to become more cost-effective, while being versatile, flexible, resilient, dependable, energy-efficient, customizable, configurable, and self-optimizing when reacting to run-time changes that may occur within the system itself, its environment, or its requirements. One of the most promising approaches to achieving such properties is to equip software systems with self-managing capabilities using self-adaptation mechanisms. Self-adaptive systems are able to adjust their behavior or structure at run-time in response to their perception of the environment and the system itself. Lately, the software engineering community has recognized its key role in enabling the development of self-adaptive systems that are able to adapt to internal faults, changing requirements, and evolving environments. Despite recent advances in this area, one key aspect that remains to be tackled in depth is assurances, i.e., the provision of evidence that the system satisfies its stated functional and non-functional requirements during its operation in the presence of self-adaptation. The provision of assurances for self-adaptive systems is challenging since run-time changes introduce a high degree of uncertainty during their operation.
机译:现代软件系统的一个重要问题是变得更具成本效益,同时在对系统中可能发生的运行时变化做出反应时具有通用性,灵活性,弹性,可靠性,节能性,可定制性,可配置性和自优化性本身,其环境或要求。实现此类属性的最有前途的方法之一是使用自适应机制为软件系统配备自我管理功能。自适应系统能够在运行时根据对环境和系统本身的感知来调整其​​行为或结构。最近,软件工程界已经意识到了其在开发能够适应内部故障,不断变化的需求和不断变化的环境的自适应系统方面的关键作用。尽管在该领域取得了最新进展,但是保证仍然是需要深入解决的一个关键方面,即,提供证据表明该系统在存在自适应的情况下在其运行期间满足其陈述的功能和非功能要求。为自适应系统提供保证是具有挑战性的,因为运行时更改会在其运行期间引入高度不确定性。

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