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Title: Enhancing software maintenance through explicit system representation
Authors: Poo, C.-C. 
Layzell, P.J.
Keywords: Jackson System Development method
methodical approach
rule-based representation
software maintainability
software maintenance
system specification
Issue Date: Apr-1990
Citation: Poo, C.-C.,Layzell, P.J. (1990-04). Enhancing software maintenance through explicit system representation. Information and Software Technology 32 (3) : 176-186. ScholarBank@NUS Repository.
Abstract: Studies have shown that the major part of systems maintenance is a direct result of the need for systems to respond to changes in user requirements. While contemporary research has focused on producing methods that capture user requirements better, considerably less effort has been directed to the area of changing user requirements - a problem that is intrinsic to any software system. Even if a system can be designed to be totally reliable and well structured and completely meet user requirements, it will still require change during its lifetime. The key issue in designing methods for software production, therefore, is the provision of a rational basis for system evolution and thereby reduce the maintenance burden. The paper describes an approach to modelling and developing business information systems that enables the easy implementation of new or amended user requirements. © 1990.
Source Title: Information and Software Technology
ISSN: 09505849
Appears in Collections:Staff Publications

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