Decision Support Systems

A Decision support system (DSS) is a computer-based information system which helps the user to make better decisions, improved quality of care and reduce cost without loss of quality.


DSS modulus


A properly-designed DSS is an interactive software-based system intended to help decision makers compile useful information from raw data, documents, personal knowledge, and/or business models to identify and solve problems and make decisions. This information will be:

  • an inventory of all of your current information assets (including legacy and relational data sources, cubes, data warehouses, and data marts)
  • comparative sales figures between one week and the next
  • projected revenue figures based on new product sales assumptions
  • the consequences of different decision alternatives, given past experience in a context that is described

Different Decision support systems screen shots.

The benefits of use a decision support system are:

  • Improves personal efficiency
  • Expedites problem solving
  • Facilitates interpersonal communication
  • Promotes learning or training
  • Increases organizational control
  • Generates new evidence in support of a decision
  • Creates a competitive advantage over competition
  • Encourages exploration and discovery on the part of the decision maker
  • Reveals new approaches to thinking about the problem space