2.6. DATA MINING

The purchase record of a customer can be used for other purposes besides determning affinity amongst books. My credit card company can find out a lot about me by analyzing my shopping history. Such a process is usually refered to as Data Mining. This information can be used to detect unauthorized uses of a credit card. If a large value item is bought that is quite different than anything else that was bought before, the purchase will raise a flag.

Back to Contents --- Previous Section --- Next Section