Dss nitin chugh
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Transcript of Dss nitin chugh
Decision Support System
Presented By:- Nitin Chugh
Decision Support Systems:-
A decision support system (DSS) is a computer-based information system that supports business or organizational decision-making activities.
Decision Support System
The essential flow of information in a DSS.
`
Raw Data
Decision Support Software
Useful Information
Decision makers
Why Decision Support Systems?
Data is easily stored and retrieved. Prioritize decisions. Anticipate upcoming decisions. Remember and evaluate past decisions. Provide consistency to decision making. Combines the expertise of human and
computer decision making.
Situations were DSS can be used:
Inventory control Sales forecasting Cost-benefit analysis Problem diagnosis Option prioritization Resource allocation
• Business cycle control• Performance evaluation• Value analysis• Target marketing• Supply Chain integration• Customer tracking• Knowledge management
Components of a DSS
Database management system
(DBMS)
Model-base management system
(MBMS)
Dialog generation and management
system (DGMS)
Three fundamental components
Database management system DBMS
Data storage User access Organizes data into types Provides logical data structure Lets user know the type of data that is
available
Model-base management system MBMS
Transforms data from DBMS into useful information
Prepare information for decision making
Raw Data
DBMS MBMS
Extract raw data Useful Information
Dialog generation and management system DGMS
User interface for DSS How users extract desired information from
DSS.
How DSS’s are being used
Automotive– Emissions testing
Health care-- Diagnosing patients
How DSS’s are being used
Agriculture-- Crop yield
Airline– Flight scheduling
Examples of Decision Support Systems
OutlookSoft
webFocus
SYBASE
• ERGO
• ERGOV
• TESS
Decision Support Systems can help all types of organizations.
DSS’s use the advantages of computers and humans in decision making.
DSS’s should be customized to fit the specific needs of your organization.
Conclusion