Monday, 13 November 2017

CHAPTER 9

ENABLING THE ORGANIZATION - DECISION MAKING
 
 
DECISION MAKING 
  • Model – a simplified representation or abstraction of reality
  • IT systems in an enterprise
 
 
TRANSACTION PROCESSING SYSTEMS
 
 
 
  • Moving up through the organizational pyramid users move from requiring transactional information to analytical information


 
DECISION SUPPORT SYSTEMS
 
 
  • What-if analysis
 
  • Goal-seeking analysis

  • Interaction between a TPS and a DSS

 
EXECUTIVE INFORMATION SYSTEMS
 
 
  • Interaction between a TPS and an EIS

 
  • Digital dashboard – integrates information from multiple components and presents it in a unified display
 

 

 
ARTIFICIAL INTELLIGENCE (AI)
  • The ultimate goal of AI is the ability to build a system that can mimic human intelligence



 
DATA MINING
  • Data-mining software includes many forms of AI such as neural networks and expert systems
 
 
CLUSTER ANALYSIS

 
ASSOCIATION DETECTION
 
STATISTICAL ANALYSIS
 




Monday, 6 November 2017

CHAPTER 8

ACCESSING ORGANIZATIONAL INFORMATION - DATA WAREHOUSE

HISTORY OF DATA WAREHOUSING

DATA WAREHOUSE FUNDAMENTALS






MULTIDIMENSIONAL ANALYSIS AND DATA MINING

nCube – common term for the representation of multidimensional information


INFORMATION CLEANSING OR SCRUBBING

nContact information in an operational system


nStandardizing Customer name from Operational Systems

nInformation cleansing activities


nAccurate and complete information


BUSINESS INTELLIGENCE








CHAPTER 7

STORING ORGANIZATIONAL INFORMATION - DATABASE

RELATIONAL DATABASE FUNDAMENTAL









ENTITIES AND ATTRIBUTES


KEYS AND RELATIONSHIPS

Potential relational database for Coca-Cola

RELATIONAL DATABASE ADVANTAGES



1. INCREASED FLEXIBILITY

2. INCREASED SCALABILITY AND PERFORMANCE

3. REDUCED INFORMATION REDUNDANCY



4. INCREASED INFORMATION INTEGRITY (QUALITY)




5. INCREASED INFORMATION SECURITY





DATABASE MANAGEMENT SYSTEMS



DATA-DRIVEN WEB SITES



DATA-DRIVEN WEB SITES BUSINESS ADVANTAGES











DATA-DRIVEN BUSINESS INTELLIGENCE

BI in a data-driven Web site

INTEGRATING INFORMATION AMONG MULTIPLE DATABASES


Forward integration


Backward integration


Building a central repository specifically for integrated information

CHAPTER 15

OUTSOURCING IN THE 21ST CENTURY  OUTSOURCING PROJECTS  Insourcing (in-house-development) – a common approach using the professional expe...