Information and Decision Support Systems

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Information and Decision Support Systems

• Chapter 6
• October 22

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TPS, MIS/DSS, and AI/ES
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Management Information Systems

• Provide routine information to managers in the
  functional areas
• Provide information in exception reports and ad
  hoc (demand) reports
• Terminology
• Originally MIS used for everything having to
  do with IT and IS
• Today MIS used for this type of system (except
  in a few universities!)
• MIS gets input from TPS

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Management Information System
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Sources of Managerial Information
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Guidelines for Developing MIS Reports
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Decision Support Systems

• Support for Problem-Solving Phases
• Different Decision Frequencies
• One-time ad hoc DSS
• Repetitive Institutional DSS
• Different Problem Structures
• Highly structued vs. Semi or unstructured
• Support for Various Decision-Making Levels
• Operational, tactical, strategic

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Decision Making Level
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DSSs versus MISs

• Problem Type
• Users
• Support
• Emphasis
• Approach

• System
• Speed
• Output
• Development

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Book, p. 238
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Model of a DSS

• Financial Models
• Statistical Analysis Models
• Graphical Models
• Project Management Models

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Group Decision Support System

• Software application that consists of most
  elements in a DSS, plus software needed to
  provide effective support in a group decision
  making

• Special design
• Ease of use
• Flexibility
• Decision-making support
• Anonymous input

• Reduction of negative group behavior
• Parallel communication
• Automated record keeping

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GDSS Configuration
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GDSS Alternatives
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GDSS Decision Room
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Executive Support System

• Tailored to individual executives
• Easy to use
• Drill down capabilities
• Support need for external data
• Can help when uncertainty is high
• Future-oriented
• Linked to value-added processes
• Support for
• defining an overall vision
• strategic planning
• strategic organizing and staffing
• strategic control
• crisis management

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Coming up

• Thursday
• Relational DB Appendix
• Due Tutorial 6
• Tuesday
• Intelligent/Advanced Systems
• Chapter 7