Definition

Decision support systems (DSS)

Decision support system (DSS) is a set of well integrated, user-friendly, computer-based tools that combine internal and external data with various decision making models to solve semi structured and unstructured problems.

Among the functions of a DSS are “what-if” analysis, model building, goal seeking and graphical analysis.

A DSS has the following characteristics:

  • It facilitates semi structured and unstructured decision making by bringing together data, models, and human judgment.
  • It can provide decision support for several interdependent decisions.
  • It supports a wide variety of decision making processes and styles.
  • It assists the decision maker to make decisions under dynamic business conditions.
  • It helps the decision maker address ad hoc queries.
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