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Decision Support Systems

The concept of a Decision Support System (DSS) emerged in the 1970s following developments in IT which allowed the interactive use of computer technology, see DSS History at The DSS concept reflected dissatisfaction with previous inflexible modelling approaches which did not allow management intervention in problem solving. The early definitions of DSS emphaised the role of DSS as flexible systems combining database and model components aimed at less structured decisions. These modelling and database components are under the control of the user through an interface or dialogue system.

Components of a DSS
(Sprague, 1980)

Consequently the DSS field combines elements of OR/MS and IS and members of CMSS have been working in the DSS area for many years.