2 Data Mining started from an evolution of DBms towards Decision support Systems using a data Warehouse Storage of huge data sets: credit card transactions, phone calls, supermarket bills: giga and terabytes of data are collected automatically Marketing operations: CRM customer relationship management Research in artificial Intelligence, machine learning KDD for Knowledge Discovery in Data Bases Beijing, 2008 7Beijing, 2008 7 1.2 Data Mining started from: ◼ an evolution of DBMS towards Decision Support Systems using a Data Warehouse. ◼ Storage of huge data sets: credit card transactions, phone calls, supermarket bills: giga and terabytes of data are collected automatically. ◼ Marketing operations: CRM (customer relationship management) ◼ Research in Artificial Intelligence, machine learning, KDD for Knowledge Discovery in Data Bases