Decision Support Systems
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D e c i s i o n S u p p o r t Sy s t e m s
The act of choosing or making a judgement
Making a selection among several alternative possibilities
What is a Decision?
Making the Best Decisions?
Act
Decision Making Process
Objectives
Act
Decision Making Process
Objectives
Prioritize
Act
Decision Making Process
Objectives
Prioritize
Alternatives
Act
Decision Making Process
Objectives
Prioritize
AlternativesSelect
Act
Decision Making Process
Objectives
Prioritize
AlternativesSelect
Consequences
Act
Decision Making Process
Objectives
PrioritizeAct
AlternativesSelect
Consequences
Why Managers Need Support?
Decision-Making Levels
Structured
Operational Management
Semi-structured
Tactical Management
unstructured
Strategic Management
computer
program applicati
on
Analysis of business
data
Presentation of business
data
Making business decisions
easier
What is a DSS?
Good DSS
Supports individuals & groups
un-/semi-structured situations
uses internal & external
information
Flexible & adaptable
Supports variety of
processes & styles
Ease of use
Data access
Good DSS Characteristics
DSS Components
DSS Database
External Data
DSS Models
OLAP Tools
Data Mining Tools
TPS
UserUser Interface
Types of DSS Models
Statistical
Types of DSS Models
Optimization
Types of DSS Models
Forecasting
What-if analysis
Sensitivity analysis
Goal-seeking analysis
Optimization analysis
Analytical Modeling Types
Improved decision making through
better understanding of the businesses
Increased number of decision alternatives
examined
Ability to implement ad hoc analysis
Faster response to expended situations
Improved communication
More effective teamwork
Better control Time and costs savings
DSS Benefits
Thank you!Hussein AlShkhir
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