Transcript PPT07_1

Turban, Aronson, and Liang
Decision Support Systems and Intelligent Systems,
Seventh Edition
Chapter 6
Decision Support System
Development
DSS
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-75
DSS
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-76
DSS
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-77
DSS
• Hardware
– PCs to multiprocessor mainframes
• Software
– Involves multiple criteria
– Develop in house, outsource, or buy off the
shelf
– Off the shelf software rapidly updated; many on
market
– Prices fluctuate
– Different tools available
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-78
DSS
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-79
DSS
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-80
DSS choosing software
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-81
Outsourcing
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-82
Outsourcing
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-83
Outsourcing
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-84
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-85
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-86
End user developed DSS
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-87
DSS
• Team developed DSS requires substantial
effort to build and manage
• End user developed DSS
– Decision-makers and knowledge workers
develop to solve problems or enhance
productivity
• Advantages
–
–
–
–
Short delivery time
User requirements specifications are eliminated
Reduced implementation problems
Low costs
• Risks
– Quality may be low
– May have lack of documentation
– Security risks may increase
© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition,
Turban, Aronson, and Liang
6-88