Why Data Mining?
The Explosive Growth of Data: from terabytes to petabytes
◦ Data collection and data availability
Automated data collection tools, database systems, Web,
◦ Major sources of abundant data
Business: Web, e-commerce, transactions, stocks, …
Science: Remote sensing, bioinformatics, scientific
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