There have been many algorithms proposed for efficient discovery of association rules in large databases. However, little work has been done on maintenance of discovered association rules.
目前已经提出了许多用于高效地发现大规模数据库中的关联规则的算法，而对已发现规则的更新及维护问题的研究却较少。
There have been many algorithms proposed for efficient discovery of association rules in large databases. However, little work has been done on maintenance of discovered association rules.
目前已经提出了许多用于高效地发现大规模数据库中的关联规则的算法，而对已发现规则的更新及维护问题的研究却较少。
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