08-11-2012, 05:58 PM
Data warehouse and Data Mining: Concepts and Techniques
Data warehouse.ppt (Size: 310 KB / Downloads: 26)
Syllabus Coverage
Mining data streams, time-series, and sequence data
Mining graphs, social networks and multi-relational data
Mining object, spatial, multimedia, text and Web data
Mining complex data objects
Spatial and spatiotemporal data mining
Multimedia data mining
Text mining
Web mining
Applications and trends of data mining
Mining business & biological data
Visual data mining
Data mining and society: Privacy-preserving data mining
Why Data Mining?
The Explosive Growth of Data: from terabytes to petabytes
Data collection and data availability
Automated data collection tools, database systems, Web, computerized society
Major sources of abundant data
Business: Web, e-commerce, transactions, stocks, …
Science: Remote sensing, bioinformatics, scientific simulation, …
Society and everyone: news, digital cameras, YouTube
We are drowning in data, but starving for knowledge!
“Necessity is the mother of invention”—Data mining—Automated analysis of massive data sets
What Is Data Mining?
Data mining (knowledge discovery from data)
Extraction of interesting (non-trivial, implicit, previously unknown and potentially useful) patterns or knowledge from huge amount of data
Alternative names
Knowledge discovery (mining) in databases (KDD), knowledge extraction, data/pattern analysis, data archeology, data dredging, information harvesting, business intelligence, etc.
Watch out: Is everything “data mining”?
Simple search and query processing
(Deductive) expert systems
Data mining process
Problem definition
Creating a database for data mining
Exploring database
Preparation for creating a data mining model
Building a data mining model : create multiple model & select best model.
Evaluating the data mining model
Deploying a data mining model : monitor the work & generate report.