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An Overview of Decision Support Systems
What is Decision Support System (DSS)?
• Computer based systems.
• That help decision makers.
• Confront ill-structured problems.
• Through direct interaction.
• With data and analysis model.
Definition from: Sprague and Carlson 1982
Decision Support Systems (DSS)
DSS in organisation?
Borrowed from Yuval Dan-Gur lectures
Comparison of DSSs and MISs
Factor DSS MIS
Problem Types
Non-Structured Structured
Users Individuals, small groups, entire organization
Entire organization
Support People still have to make decisions
Sometimes people can be replaced
Emphasis Decisions Information
Approach Interactive reports Regularly reports
Comparison of DSSs and MISs (Cont.)
Factor DSS MIS
Speed Fast reaction to users request
Usually slower
Output Screen oriented Printer oriented
Development Short with users involvement
Long without users involvement
Components of a DSS
Storage of Raw Data
Data Base User Interface
Haifa MBA Graduate
• Rules• Instructions• Assumptions • Commands
DSS User Interface
External Raw Data
Storage.
Database Client Model Base Client
The Model Base
DSS Applications Examples
The Group Decision Support System (GDSS) - Decision Room
Examples of GDSS
• Are we going to play today?
• ECO Process.
• Nasa – “Houston” we have a problem.
Different DSS Trends
• Personal based DSS.
• Distributed DSS – One language for all.
• Group DSS.
• Intelligent DSS.
• User friendliness.
Bibliography
• Sprague, Watson, 1986“DECISION SUPPORT SYSTEMS”
• Singh , Massuyes, 1991“DECISION SUPPORT SYSTEMS AND
QUALITATIVE REASONING”
• Sean B. Eom, 2001“DECISION SUPPORT SYSTEMS”
• Web Sources
Q & A
Benjamin Celebicich
Pablo Srabstein