Patent ID: 6301575
Filing Date: 2001-10-09
Classification: G06F,Y10S

Abstract:
A method of data mining in a computer, the data mining being performed by the computer to retrieve data from a data store stored on a data storage device coupled to the computer, the method comprising the steps of.receiving a multi-column data store organized using a multi-column data model, wherein one of the columns in the multi-column data store represents a transaction and each of the remaining columns in the multi-column data store represents items of that transaction;performing a combination operator in a relational database management system to obtain candidate itemsets of data from the multi-column data store, each itemset being a combination of a number of rows of the multi-column data store;generating large itemsets of data from the candidate itemsets, wherein each itemset has at least a minimum support; andgenerating association rules from the large itemset of data, wherein each association rule has at least a minimum confidence.