In the early 1970s, Scott-Morton first articulated the major concepts of DSS. He defined decision support system (DSS) as “interactive computer-based systems, which help decision makers utilize data and models to solve unstructured problems”
Keen and Scott-Morton– “Decision support systems couple the intellectual resources of individuals with the capabilities of the computer to improve the quality of decisions. It is a computer-based support system for management decision makers who deal with semistructured problems.”