19.3. Definition of Decision Support System
The decision support system (DSS) emerged from a data processing world of routine static reports. According to Clyde Holsapple, professor in the decision science department of the College of Business and Economics at the University of Kentucky in Lexington, “Decision-makers can’t wait a week or a month for a report”. As per Holsapple, the advances in the 1960s, such as the IBM 360 and other mainframe technologies, laid the foundation for DSS. But, he claims, it was during the 1970s that DSS took off, with the arrival of query systems, what-if spreadsheets, rules-based software development and packaged algorithms from companies such as Chicago-based SPSS Inc. and Cary, N.C.-based SAS Institute Inc. ...
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