Classification of DSS

Decision support systems can be broken down into categories, each based on their primary sources of information.

Text Oriented DSS

It contains textually represented information that could have a bearing on decision. It allows documents to be electronically created, revised and viewed as needed.

Database Oriented DSS

Database plays a major role here; it contains organized and highly structured data.

Spreadsheet Oriented DSS

It contains information in spread sheets that allows create, view, modify procedural knowledge and also instructs the system to execute self-contained instructions.

The most popular tool is Excel and Lotus 1-2-3.

Solver Oriented DSS

It is based on a solver, which is an algorithm or procedure written for performing certain calculations and particular program type.

Rules Oriented DSS

It follows certain procedures adopted as rules.

Rules Oriented DSS

Procedures are adopted in rules oriented DSS. Export system is the example.

Compound DSS

It is built by using two or more of the five structures explained above.