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Decision Support Systems (DSS) are a specific class of computerized information system that supports business and organizational decision-making activities .
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 .
DS systems can be separated into seven broad categories, each aiding decision making by different methods:
DATA DRIVEN DSS.
KNOWLEDGE DRIVEN DSS.
DOCUMENT DRIVEN DSS.
Communication Driven DSS.
INTER & INTRA-ORGANIZATIONAL DSS.
NEW BREED OF DSS
DSS IN-HOUSE PROPRIETARY DATABASE KNOWLEDGE DATABASE DATA PROCESSING MODELS FINANCIAL ACOUNTING ECONOMICAL EXTERNAL AND INTERNAL ENVIRONMENT PROCESSING BY MANAGER, USING KNOWLEDGE, EXPERIENCE AND INTUITION QUALITY DECISION PROCESING MODEL FOR DSS