Data Mining and the Web_Past_Present and Future

Data Mining and the Web: Past, Present and Future Kyuseok Shim Bell Laboratories [email_address] S. Seshadri Bell Laboratories [email_address] Rajeev Rastogi Bell Laboratories [email_address] Minos N. Garofalakis Bell Laboratories [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Mining Techniques – Association Rules ,[object Object],[object Object],[object Object],[object Object],[object Object]

Association Rules example ,[object Object],[object Object],[object Object],Min. support 50% Min. confidence 50%

Association Rules – Apriori Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Apriori Algorithm Example Database D Scan D C 1 L 1 L 2 C 2 C 2 Scan D C 3 L 3 Scan D

Data Mining Techniques – Classification ,[object Object],[object Object],[object Object],[object Object],[object Object]

Classification Process (1): Model Construction Classification Algorithms IF rank = ‘professor’ OR years > 6 THEN tenured = ‘yes’ Training Data Classifier (Model)

Classification Process (2): Use the Model in Prediction (Jeff, Professor, 4) Tenured? Classifier Testing Data Unseen Data

Classification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Mining Techniques – Cluster ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web Mining Techniques ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web Mining Research Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Reference ,[object Object],[object Object],[object Object],[object Object],[object Object]

Data Mining and the Web_Past_Present and Future

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