Information Technology Reference
In-Depth Information
Figure 5.1
Decision Support Systems
Subsystems
Data Management
Knowledge Management
Model Management
Dialog Management
Instantiation
DSS
Decision
Maker(s)/
User(s)
Task
Organization
External
Environment
that possible by the simple sum of the parts. The goal of DSS dialog design is to architect an effi-
cient and effective two-way exchange of symbols and actions to achieve holistic performance.
COMPONENTS OF DECISION SUPPORT SYSTEMS
Figure 5.1 shows the components of a DSS instantiation and those factors affecting both DSS
instantiation and decision making. A DSS integrates decision maker and information technology
into a synergistic unit to improve decision making. The decision maker and information technol-
ogy combine to address a specific task within an organization and its environment. The interplay
among decision maker, task, and information technology is the DSS and is a well-known triad in
the information systems and technology literatures (Mason and Mitroff, 1973; Newell and Simon,
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