Abstract
As the world is changing over time, there are more complex decision problems occurring in modern organisations. It has been widely accepted that the Management Information System does not provide flexible support for handling semi-structured decision problems. There is an urgent need for Decision Support Systems (DSS) which can provide information and analytical tools to deal with complex decision problems. In fact, there are many specific Decision Support Systems built, but they aim at usage in particular application areas. Many researchers [R. H. Sprague. MIS Quarterly 4, 1–26 (1980); R. P. Minch and J. R. Burns. IEEE Trans. Syst. Man Cybern. SMC-13, 549–557 (1983); M. Wang and J. Courtney. IEEE Trans. Syst. Man Cybern. SMC-14, 701–711 (1984) have observed that there is a need for generalised software system upon which different decision support applications could be based. This paper presents a brief overview of DSS and a conceptual architecture of a generalised software system for DSSs. A new idea for bridging the gap between the database and modelbase is also presented. According to the architecture, a prototype system called SYSTEM-Y is being developed on an IBM AT microcomputer. The system includes a Database Management System, Modelbase Management System, Multi-tools System and the Main Processing System.
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