Anglický jazyk

Keen, P: Decision Support Systems

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O knihe

Excerpt from Decision Support Systems: A Research Perspective

None of these conceptions necessarily implies interactive computer systems; a D88 is defined in terms of context and use. There is no technical conception for which one cannot readily generate coun terexamples. For instance, the design architecture, mode of use and available functions of an airline reservation system are virtually the same as those in many data-based dss. If a given dss is identical to, say, a standard interactive model, there seems no value whatsoever in using a new label. Dss become a meaningful research topic only if the term can be shown to be a necessary concept. In the pragmatic con text of information systems development and analytic techniques, call ing a system a dss must lead to some actions, by the designers or users, that would not have occurred otherwise; the actions should contribute to the effective development of the system or its effective use.

A potential strength of the dss movement has been that it has at least tried to link theory and practice. It describes real systems used in real organizations by real problem-solvers, not experi ments involving captive students. At the same time, since it explicitly argues that dss are different from traditional systems, the better empirical work addresses conceptual issues, if only assertively. The available studies of dss thus often provide illustrations, extensions or counterexamples that can be used to test and extend their authors'

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