Date Added: Aug 2011
In this paper, the authors describe the data warehousing and data mining. Data Warehousing is the process of storing the data on large scale and Data mining is the process of analyzing data from different perspectives and summarizing it into useful information - information that can be used to increase revenue, cuts costs, or both. As massive amount of data is continuously being collected and stored, many industries are becoming interested in mining some patterns (association rules, correlations, clusters, etc.) from their database. Association rule mining is one of the important tasks that are used to find out the frequent item set from customer transactional database. Each transaction consists of items purchased by a customer in a visit.