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Maintaining centralised application systems : a cross-country, cross-sector, cross-platform comparison

By Wui Gee Tan and Guy G. Gable


Past studies of software maintenance issues have largely concentrated on the average North American firm. While they have made a substantial contribution to good information system management practice, it is believed that further segmentation of sample data and cross-country comparisons will help to identify patterns of behaviour more akin to many less average organizations in North America and elsewhere. This paper compares the Singapore maintenance scene with the reported North American experience. Comparisons are also made between: Government organizations, Singapore corporations and multinational corporations (MNCs); mainframe and minicomputer installations; and fourth-generation language (4GL) and non-4GL computer installations. Study findings, while in many cases were similar to earlier US studies, do show the importance of Singapore's young application portfolio, the widespread usage of 4GLs and the severe maintenance personnel problems.\u

Topics: 080300 COMPUTER SOFTWARE, 080600 INFORMATION SYSTEMS, software maintenance, information systems, IS in Singapore
Publisher: Palgrave Macmillan Ltd
Year: 1997
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