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首页> 外文会议>2011 IEEE International Conference on Service-Oriented Computing and Applications >Requirement model for a high quality service system: For reducing both costs of planning and development
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Requirement model for a high quality service system: For reducing both costs of planning and development

机译：高质量服务系统的需求模型：用于减少规划和开发成本

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This paper proposes a 2×2 requirement chart based on a requirement model for a service system. The model was developed to attention on critical issues and retains the essence of the requirement types. Therefore, we can use it as a template for requirement design. On the other hand, the chart is efficient to identify the items in ConOps (Concept of OPerationS), a standard provided by IEEE. The main purpose of the chart is to execute the requirement development process sufficiently, which is in the Concept Stage within the service lifecycle, without increasing the cost. Utilizing this chart also reduces the extra costs of the Development Stage caused by errors that are extremely difficult to estimate during the planning phase. High quality service system won''t have cost overrun problem in any phase. We established two identical enterprise service systems each using different cases and compared their development costs. The first case is to proceed with systems architecture development and systems designing based on the initial requirements provided by sponsors and then move on to the Development Stage. The second case is to use the 2×2 requirements chart that we have proposed to develop ConOps in the same stage.
机译：本文基于服务系统的需求模型，提出了一个2×2需求图。该模型的开发旨在关注关键问题，并保留了需求类型的本质。因此，我们可以将其用作需求设计的模板。另一方面，该图表可以有效地识别IEEE提供的标准ConOps（OPerationS的概念）中的项目。图表的主要目的是在服务生命周期内的概念阶段充分执行需求开发过程，而不会增加成本。利用该图表还可以减少由于在计划阶段很难估计的错误而导致的开发阶段的额外成本。高质量的服务系统在任何阶段都不会出现成本超支的问题。我们建立了两个相同的企业服务系统，每个系统使用不同的案例，并比较了它们的开发成本。第一种情况是根据发起人提供的初始要求进行系统架构开发和系统设计，然后进入开发阶段。第二种情况是使用我们建议在同一阶段开发ConOps的2×2需求图。

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