Requirements recovery from legacy systems by analysing and modelling behaviour

Proceedings IEEE International Conference on Software Maintenance - 1999 (ICSM'99). 'Software Maintenance for Business Change' (Cat. No.99CB36360) Pub Date : 1999-08-30 DOI:10.1109/ICSM.1999.792485

Kecheng Liu, A. Alderson, Zubair Qureshi

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引用次数: 40

Abstract

For any re-engineering of the legacy system such as alteration, modification or complete rebuild, to understand the original requirements can be important and sometimes critical. The semiotic approach we present aims at recovering requirements by studying the legacy system's behaviour. Using this approach, the requirements recovery consists of investigation activities at three major stages with a set of techniques for analysis and representation. The approach guides the analysis to be conducted from a number of angles at certain levels of detail using various software engineering and semiotic techniques. These techniques enable one, for derivation of the requirements, to study a legacy system from perspectives of different stakeholders, from its interaction with the users in the business context, and from information contents and processes of system operations. A case study applying this approach to recover requirements for a university's multi-site library is presented.

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通过分析和建模行为从遗留系统中恢复需求

对于遗留系统的任何再工程，例如更改、修改或完全重建，理解原始需求可能是重要的，有时甚至是关键的。我们提出的符号学方法旨在通过研究遗留系统的行为来恢复需求。使用这种方法，需求恢复包括三个主要阶段的调查活动，以及一组用于分析和表示的技术。该方法使用各种软件工程和符号学技术，指导从多个角度在特定的细节层次上进行分析。对于需求的派生，这些技术使人们能够从不同涉众的角度、从它与业务上下文中用户的交互以及从系统操作的信息内容和过程中研究遗留系统。最后给出了应用该方法对某高校多站点图书馆进行需求恢复的案例研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings IEEE International Conference on Software Maintenance - 1999 (ICSM'99). 'Software Maintenance for Business Change' (Cat. No.99CB36360)

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