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Decision Making Support Systems (DMSS) are information systems that interactively support the decision making process of individuals and groups in life, public, and private organizations, and other entities. These systems include Decision Support Systems (DSS), Executive Information Systems (EIS), Expert Systems (ES), Knowledge Based Systems (KBS), and Creativity Enhancing Systems (CES). Other DMSS, such as Executive Support systems (ESS), Management Support Systems (MSS), Artificially Intelligent Decision Support Systems (IDSS), and Decision Technology Systems (DTS), integrate the functions of DSS, EIS, ES, KBS, or CES, to provide more comprehensive support than the individual separate systems.Each DMSS is a vehicle that delivers computer and information technology and decision technology effectively and efficiently to the system user at a local or networked workstation or online through the Internet. Computer and information technology typically involves hardware, systems software, and applications software, while decision technology usually involves accounting, cognitive science, economic, management science, and statistical models that describe the decision problem explicitly and provide algorithms, and methodologies that generate forecasts and recommended solutions.