Research Article

Efficient Utility Tree-Based Algorithm to Mine High Utility Patterns Having Strong Correlation

Algorithm 2

ECoHUPM algorithm.
Input: Database , , and .
Output: All Correlated High Utility Itemsets.
(1)Scan to obtain the revised database ;
(2) the set of unique items in sorted on their support descending order;
(3)Execute the Algorithm 1 to construct for the ;
(4)while not NULL do
(5) the last item in ;
(6) from the header table of the follow the of the nodes labeled to construct the ;
(7)ifthen
(8)  
(9)end if
(10)ifthen
(11)  Call search (, , , )
(12)end if
(13)-
(14)end while
(15)return