Basically it is an Management of Information System. Here decision takers are contacted to find out what are the type of decisions usually taken by them. The system is successful as much the variety...
There are a number of Decision Support Systems. These can be categorized into five types: Communication-driven DSS Data-driven DSS Document-driven DSS Knowledge-driven DSS Model-driven DSS
Decision support systems (DSS) contain decision-modeling routines, such as what-if analysis, whereby users can try particular decisions in simulations before actual implementation.
Support classification information systems are transaction processing systems, management information systems, knowledge management systems, office automation systems, decision support systems, group...