Components of DSS Components of DSS
1. Data Management Subsystem 2. Model Management Subsystem
3. The Dialog Management Subsystem
Components of DSS: The Data Management Subsystem
Components of DSS: The Data Management Subsystem
• Supplies data to which the models can be applied • Database extract procedures are specified by a
specialist • Data warehouses support organizational DSS
• Commercial warehouses are emerging
Components of DSS: The Model Management Subsystem
Components of DSS: The Model Management Subsystem
• Maintain the libraries of models • Explore the influence of various factors on
outcomes a process known as sensitivity • What-if analysis
• Goal-seeking
Components of DSS: The Dialog Management Subsystem
Components of DSS: The Dialog Management Subsystem
• Supports the use in applying models to data • Multiple forms of input and output
• Dialogs can support DSS styles
Data Management
Data Management for Retrieval
Data Extraction from Internal and
External Databases
Model Management
Creation, Maintenance,
and Use of Models
Dialog Management
Menus, Icons, Natural Language,
Graphics
DSS on a Computer Platform DSS on a Computer Platform
Human Decision Maker Human Decision Maker
User
What DSS Can Do For You: Classification of DSS What DSS Can Do For You: Classification of DSS
1. Data access systems • User friendly ad hoc access
• Open a database 2. Data analysis systems
• Analyze historical and current data, either on demand
ad hoc or periodically • Summarizing the firm’s performance
3. Forecast oriented data analysis systems • Develop product plans, market segment forecasts, sales
forecast, and analysis of competitive systems 4. Systems based on accounting models
What DSS Can Do For You: Classification of DSS: Continued
What DSS Can Do For You: Classification of DSS: Continued
5. Systems based on representational models • Dependence between a controllable variable and an
outcome • Probabilistic results
• Risk analysis models 6. Systems based on optimization models
• Developed by management scientists to determine
optimal allocation of resources or best possible schedules
7. Systems with suggestion models • Narrow domains of knowledge combined with DSS with an
