An Erratum on #x201C;Pushing Convertible Constraints in Frequent Itemset Mining#x201D;

• “(1) f is a prefix ascending function w.r.t. descending order and C ≡ f (S) ≥ v.” should be “(1) f is a prefix descending function w.r.t. descending order and C ≡ f (S) ≥ v.” • “(2) f is a prefix descending function w.r.t. ascending order and C ≡ f (S) ≤ v.” should be “(2) f is a prefix ascending function w.r.t. ascending order and C ≡ f (S) ≤ v.” • “Suppose f (α ∪ {ai }) < vS” should be “Suppose f (α ∪ {ai }) < v”.