A Decision Support System (DSS) is an interactive computer-based
system or subsystem intended to help decision makers use communications technologies,
data, documents, knowledge and/or models to identify and solve problems, complete decision process tasks, and make decisions. Decision support system is a general term for any computer application that enhances a person or group's ability to make decisions. Also, decision support systems refers to an academic field of research that involves designing and studying analytical information systems. In general, decision support systems
are a class of computerized information system that support decision-making activities. Five more specific types of DSS (Power, 2001) include:
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