Course Solutions Uncategorized (Solved) : Assignment 52 30 Marks Mining Frequent Itemsets Expensive Large Dynamic Database Transacti Q33297710 . . . .

(Solved) : Assignment 52 30 Marks Mining Frequent Itemsets Expensive Large Dynamic Database Transacti Q33297710 . . . .

 

Assignment 5.2 (30 marks) Mining frequent itemsets can be expensive. In a large, dynamic database of transactions, we can store the set of frequent itemsets and incrementally update that set upon arrival of a set of new transactions. Let DB denote the last state of our database and ADB a set of new transactions. The task is to incrementally determine the set of frequent itemsets in DBU ADB with respect to min- supp, without re-applying the Apriori-algorithm to the whole updated database DB UADB. More specifically, given the sets DB and ADB and the set of all frequent itemsets 

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