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Information SystemsDecision Support and Artificial Intelligence Chapter 4 Chapter Overview Types of Decisions Decision Support – Decision Support Systems (DSS) – Collaboration Systems – Geographic Information Systems (GIS) Artificial Intelligence (AI) – Expert Systems – Neural Networks – Genetic Algorithms – Intelligent Agents Four phases of decision making Types of Decisions Structured Semi-structured Unstructured Recurring vs. ad-hoc Decision Support Systems (DSS) Highly flexible and interactive IT system that is designed to support unstructured and semi-structured decision making. DSS Components DSS ComponentsModel management - consists of both the DSS models and the DSS model management system. Data management -performs the function of storing and maintaining the information that you want your DSS to use. User interface management- allows you to communicate with the DSS.DSS CapabilitiesSensitivity Analysis – the study of the effect that changes in one or more parts of a model have on other parts of the model What-if Analysis – checks the impact of a change in the assumptions or other input data on the
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