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Early effort estimation in web application development

机译：Web应用程序开发中的早期工作量估算

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摘要

Project planning in software industry represents one of the most complex tasks, especially when there is a need to estimate the time, cost and effort needed for development of software projects. In the field of development effort estimation for classical software projects a number of methods have been developed, tested and successfully implemented. Web projects are, by their nature, different than classical software projects, and there is a lack of methods and models that provides a high degree of confidence in development effort estimation. This paper analyzes the possibility of using a combination of functional size and conceptual models for the purpose of web application development effort estimation. Measurement of functional size can be effectively applied to the conceptual models of the data-driven web applications because of the existence of extensive count of data movements. For the purpose of this study 19 web applications with their conceptual models were employed. An effort model was built using simple linear regression analysis. Upon construction, evaluation and validation of the effort model prediction accuracy elements, R~2, MMRE, and Pred(l), showed promising results for web projects used in the model construction and validation process.
机译：软件行业中的项目计划是最复杂的任务之一，尤其是在需要估计开发软件项目所需的时间，成本和工作量时。在经典软件项目的开发工作量估计领域，已经开发，测试并成功实现了许多方法。 Web项目就其性质而言，不同于传统的软件项目，并且缺少能够对开发工作量估计高度置信的方法和模型。本文分析了将功能大小和概念模型结合使用以进行Web应用程序开发工作量估算的可能性。由于存在大量的数据移动，因此功能大小的度量可以有效地应用于数据驱动的Web应用程序的概念模型。为了本研究的目的，使用了19个具有概念模型的Web应用程序。使用简单的线性回归分析建立了工作量模型。构建后，对工作量模型预测准确性元素R〜2，MMRE和Pred（l）的评估和验证显示了用于模型构建和验证过程中的Web项目的有希望的结果。

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