Frequent pattern mining [1,2], one of the data mining areas,
is a method for discovering useful knowledge of pattern forms
from large databases, where each pattern result signifies a set
of items related to one another in the databases. Using frequent
pattern mining tools, users can obtain a set of frequent patterns
with frequency or support values higher than or equal to userspecified
threshold. Since Apriori [3] and FP-Growth [4,5], a variety