MANAGEMENT SUPPORT SYSTEMS II 2. Enterprise Decision Support Systems 1.
Decision Support Systems - People Search Directoryfaculty.winthrop.edu/dannellys/mgmt661/le… ·...
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Decision Support Systems
MGMT 661 - Summer 2012Night #7, Part 2
somewhat based on Chapter 12
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Types of Decisions Structured
routine (maybe even repetitive)definite procedure
Unstructuredno agreed upon procedure
refer back to "Types of Information"
in Part #1
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Decision Support SystemsDecision Support Systems supports semi-structured and unstructured
problem analysis probably overkill for structured problems
usually model driven allows to ask "What if?"
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Simple DSS ExamplesSimple DSS Examples Car SelectionCar Selection
how many miles do you drive? preferred style? do you have kids? yadda yadda yadda
Inventory ReplenishmentInventory Replenishment past usage (data from accounting database) projected need (information from CRM) delivery time (model from Supply Chain system) "what if" we delay purchase two weeks?
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DSS ComponentsDSS Components Input
TPS Data Other Internal Data
e.g. forecasts, reports, spreadsheet calculations External Data
Model Analysis Software
OLAP and data mining Easy to Use Interface
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DSS Models Well Known Relationships
layout of production facility Supply Chain Organizational Chart decision tables spreadsheet calculations
Mathematical Models
Decision Variables
Uncontrollable Variables
Mathematical Relationship
Result Variables
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DSS CaveatsDSS improve effectiveness, not efficiency.Some people consider group communication tools to be a type of DSS.
DSS v. Expert SystemsA human queries a DSS, while an ES queries a human.A DSS assists in decision making, while an ES makes decisions.A DSS is for semi-structured problems, but an ES only works well in highly structured domains.
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Geographic Information SystemsGeographic Information Systems special category of DSS combines large
databases and maps
www.ncddc.noaa.gov/technology/gis/viewScreenshot of ArcView
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Executive Support SystemsExecutive Support Systems "Balanced Scorecard" info displayed as a "Dashboard" with drill down abilities
for more detail key performance indicators
balancedscorecard.org
textbook Figure 12-8
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dashboardspy.com
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Supporting the 5 Functions of Management
TPSCustomer Rel. MgmtSupply Chain MgmtEnterprise Knowledge
MgmtExpert SystemsDecision Support Systems
1. Planning2. Organizing3. Coordinating4. Deciding5. Controlling
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Next TimeNext Time: Your presentationsYour presentations How software gets built
Paper Ideas from Tonight: Survey of Commercial Executive Scorecard Systems Survey of Commercial Enterprise Knowledge
Management Systems Two or Three cases of Successful Expert Systems
used in Business Cases of using GIS for Decision Support