1. Architecture of Decision Support System
CHAPTER 2
Architecture of Decision Support System
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2. 2.1 Meaning Architecture of Decision Support System
What is Architecture of Decision Support System?
Structure of DSS components
Relation between DSS components
Relation between external environment
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3. 2.2 Advantage of architecture of DSS
Know how the component working
Share resource by any department
Make the sequence in the process
Communicate between component
Support group decision
Support planning more efficiency
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4. 2.3 Factors of DSS Architecture Development
Organization’s Strategy
Consider in master plan and follow its
Level of Management
Type of problem  Structured Semi structured Unstructured
Characteristic of organization business
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5. 2.4 Components of DSS Architecture
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
Decision Support Systems and Intelligent Systems, Efraim Turban and Jay E. Aronson, 6th edition,
Copyright 2001, Prentice Hall, Upper Saddle River, NJ

6. 2.4 Components of DSS Architecture
4 Main components of DSS architecture
Data Management
Model Management
User Interface Management
Knowledge Management
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7. 2.4 Components of DSS Architecture
Tool for develop DSS
Hardware
Operating System (OS)
Network System
Software
Modeling tools
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8. 2.4 Components of DSS Architecture
Environment of DSS
User
Programmer
External Data
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9. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.5 Data Management
Component of Data Management
Database
Database Management System (DBMS)
Data Directory
Query Facility
Extraction
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10. 2.5 Data Management : Structure
Decision Support System by Simulation Model (Ajarn Chat Chuchuen)

11. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
The Capabilities of DBMS in a DSS
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12. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.6 Model Management
Model base
Model base management system
Modeling language
Model directory
Model execution, integration, and command processor
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13. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.6 Model Management
Model Base
Contains routine and special statistical, financial, forecasting, management science, and other quantitative models that provide the analysis capabilities in a DSS.
Model building blocks can be
Employed on their own for applications
Used as components of larger models
Used to determine the values of variables and parameters in a model
Modeling tools
C+, JAVA, Excel
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14. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.6 Model Management
Model execution
is the process of controlling the actual running of the model.
Model integration
involves combining the operations of several models when needed
Model command processor
is used to accept and interpret modeling instructions from the user interface component and route them to MBMS, model execution, or integration functions.
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15. 2.6 Model Management : Structure
Models (Model Base)
Strategic, tactical, operational
Statical, financial, marketing, management science, accounting, engineering, etc.
Model building blocks
Model
Directory
Model Base Management
Modeling command: creation
Maintenance: update
Database interface
Modeling language
Data
Management
Interface KB
Subsystem
Model execution,
Integration, and
Command processor
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16. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.6 Model Management
Major Functions of the MBMS
Create models
Allows users to manipulate models
Stores, retrieves and manages different types of models
Accesses and integrates the model building blocks
Catalogs and displays the directory of models
Tracks model data and application use
Interrelates models with appropriate linkages with the database
Manages and maintains the model
Uses multiple models
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17. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.7 Knowledge Management
Provides expertise in solving complex unstructured and semi-structured problems
Expertise provided by an expert system or other intelligent system
Advanced DSS have a knowledge based (management) component
Leads to intelligent DSS
Example:
Data mining
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18. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.7 Knowledge Management
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19. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
2.7 Knowledge Management
Major Functions of the KBMS
Providing tools for decision in special case
Intelligent Decision modeling System
Analysis for uncertainty situation
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20. 2.8 User Interface Management
Includes all communication between a user and the MSS
Graphical user interfaces (GUI)
Voice recognition and speech synthesis possible
To most users, the user interface is the system
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21. 2.8 User Interface Management : Structure
Data Management
And DBMS KB
Subsystem
Model Management
And MBMS
User InterfaceManagement
System (UIMS)
Natural Language
Processor
Input
ActionLanguage
Output
Display Language
Printers, Plotters
Users
Terminal
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22. 2.8 User Interface Management
Major Capabilities of The UIMS
Provides a graphical user interface-web browser
Accommodates the users with a variety of input devices
Presents data with a variety of formats and output devices
Gives users help capabilities, prompting, diagnostic and suggestion routines
Provides interactions with the database and the model base
Stores input and output data
Provides color graphics, 3-dimensional graphics, and data plotting.
Has windows to allow multiple functions to be displayed concurrently
Can support communication among and b/w users and builders of MSS
Provides training by example
Provides flexibility and adaptiveness
Interacts in multiple, different dialog styles
Captures, stores, and analyze dialog usage
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23. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
The User
Different usage patterns for the user, the manager, or the decision maker
Managers
Staff specialists
Intermediaries 1. Staff assistant 2. Expert tool user 3. Business (system) analyst 4. GSS Facilitator
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24. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
DSS Hardware
Evolved with computer hardware and software technologies
Major Hardware Options
Mainframe
Workstation
Personal computer
Web server system
Internet
Intranets
Extranets
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25. Decision Support System by Simulation Model (Ajarn Chat Chuchuen)
Question ???
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