4Chapter Finding Hierarchical Patterns in Large POS Data Using Historical Trees

Advancements in information technologies have resulted in the inexpensive and easy accumulation of a large amount of data in various fields. In retail stores, managers have employed customer relationship management tools to forge better relationships with their customers, who have the potential to bring in considerable future revenue. One of these tools is the frequent shopper program. Here, customers earn points in direct proportion to the total amount paid by them. These points promote

4.1 Introduction ..................................................................................................... 57 4.2 Related Work ................................................................................................... 58 4.3 Overview of Our Method ................................................................................60