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