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Enabling the organization - Decision making, IT system in an enterprise …
Enabling the organization - Decision making
Reasons for the growth of decision- making information systems
People need to analyze large amount of information
People must make decision quickly
People must apply sophisticated analysis techniques, such as modeling and forecasting, to make good decision
people must protect the corporate asset of information organization
Decision making
Model
- a simplified representation or abstraction of reality
Transaction processing system
Transaction processing system
- Basic business system
Online transaction processing
- capturing of transaction
Online analytical processing
- manipulation of information
Decision support system
Models information to support managers and business professionals during the decision-making process
Three quantitative models used by DSSs include
Sensitivity analysis
- study the impact
what-if analysis
- proposed solution
Goal-seeking analysis
- achieve a goal
Executive information system
specialized DSS that support senior level executive within the organization
Most EISs offering the following capabilities
Consolidation
Drill-down
Slice-and-dice
Digital dashboard
- integrates information from multiple components and presents it in a unified display
Artificial Intelligence
Intelligent system
- Various commercial application of artificial intelligence
Artificial Intelligence
simulated human intelligence such as the ability to reason and learn
Four common categories AIs include
Export system
Neutral network
Genetik Algorithm
Intelligent Agent
Data mining
Data mining software includes many forms of AI such as neural networks and expert system
Common forms:
Cluster Analysis
A technique used to divide an information set into mutually exclusive groups such that the members of each group are as close together as possible to one another and the different groups are as far apart as possible
Association detection
Reveals the degree to which variables are related and the nature and the frequency of these relationships in the information
Statistic analysis
Performs such function as information correlations, distributions, calculations and variance analysis
IT system in an enterprise
