chapter 5: business intelligence: data warehousing, data acquisition, data mining, business...
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Chapter 5: Business Intelligence: Data Warehousing, Data Acquisition, Data Mining, Business Analytics, and Visualization
DECISION SUPPORT SYSTEMS AND BUSINESS INTELLIGENCE , Eighth Edition
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© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition, Turban, Aronson, and Liang
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Data, Information, Knowledge Data
Items that are the most elementary descriptions of things, events, activities, and transactions
May be internal or external
Information Organized data that has meaning and value
Knowledge Processed data or information that conveys
understanding or learning applicable to a problem or activity
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© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition, Turban, Aronson, and Liang
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Business Intelligence and Analytics Business intelligence
Acquisition of data and information for use in decision-making activities
Business analytics It adds an additional dimension to BI : Models and
solution methods
Data mining Applying models and methods to data to identify
patterns and trends
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DashBoard It provides managers with exactly the information
they need in the correct format at the correct time. Dashboard and scorecards measure display what is
important.
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Data Mining Organizes and employs information and
knowledge from databases It uses statistical, mathematical, artificial
intelligence, and machine-learning techniques Automatic and fast by focusing attention on the
most important variables.. Data mining includes tasks known as knowledge
extraction, data exploration, data pattern processing.
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How data mining works? It discovery information within data warehouses
that queries and reports cannot effectively reveal. Data mining tools find patterns in data and infer
rule from them. These pattern and rule can be used to guide
decision-making.
It is supported by set of algorithms approach to extract the relevant relationship in the data
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Data Mining algorithms Classification Clustering Association Sequencing Regression Forecasting Others
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Data Mining algorithms (cont.) Classification : defining the characteristic of
certain group. Decision tree and neural network are useful
techniques.
Clustering : identifies group of items that share a certain characteristics. Clustering approach can be used to identify class of
customers.
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Data Mining algorithms (cont.) Association : identifies relationship between event that
occur at one time. Statistical method are typically used.
Sequencing: similar to association except that the relationship occurs over a period time .
Regression :used to map data to a prediction value. Linear and nonlinear technique are used
Forecasting: estimate future value based on pattern within large set of data.
Other: it is based on advanced artificial intelligence method.
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Data Mining (cont.) Data mining can be either Hypothesis or discovery
driven. Hypothesis driven data mining begins with
proposition by the user. Discovery driven data mining finds pattern,
associations and relationship among the data.
Data mining is iterative.
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Tools and tools and techniques Data mining
Statistical methods Decision trees Case based reasoning Neural computing Intelligent agents Genetic algorithms
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Text Mining It is the application of data mining to nonstructred
or less structured text files.
Text mining help organization to Find Hidden content Group by themes Determine relationships
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Sampler of data mining application Marketing : prediction which customer will
respond to buy a particular product. Banking: which kind of customers will best
respond to new loan offers. Manufacturing: predicting when to expect
machinery failures.:
:
:
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Knowledge Discovery in Databases
KDD define as process of using data mining method to find useful information and pattern in the data.
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KDD process Selection : Identification of data Preprocessing: missing data must be dealt with,
involves correction and/or utilizing predicted values.
Transformation to common format Data mining : applying through algorithms Interpretation /Evaluation: data must be presented
in manner that is meaningful to the users.
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Data Visualization Technologies supporting visualization and
interpretation Digital imaging, GIS, GUI, tables,
multidimensions, graphs, VR, 3D, animation Identify relationships and trends
Data manipulation allows real time look at performance data
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GIS Computerized system for managing and
manipulating data with digitized maps Geographically oriented Geographic spreadsheet for models Software allows web access to maps Used for modeling and simulations
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© 2005 Prentice Hall, Decision Support Systems and Intelligent Systems, 7th Edition, Turban, Aronson, and Liang
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Web Analytics/Intelligence Web analytics
Term used to describes the application of business analytics to Web sites
Web intelligence Term used to describes the application of business
intelligence techniques to Web sites