List all candidate 4-itemsets obtained by a candidate generation proce- dure using the Fk?1 × F1 merging strategy.

Consider the following set of frequent 3-itemsets:
{1, 2, 3}, {1, 2, 4}, {1, 2, 5}, {1, 3, 4}, {1, 3, 5}, {2, 3, 4}, {2, 3, 5}, {3, 4, 5}.

{1, 2, 3, 4},{1, 2, 3, 5},{1, 2, 3, 6}.
{1, 2, 4, 5},{1, 2, 4, 6},{1, 2, 5, 6}.
{1, 3, 4, 5},{1, 3, 4, 6},{2, 3, 4, 5}.
{2, 3, 4, 6},{2, 3, 5, 6}.

Computer Science & Information Technology

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