First, you must create an association rule model which is stored as PMML from which you can extract the rules into a database table for later Cognos access.

首先，必须创建一个关联规则模型，该模型被存储为PMML，从中可以提取这些规则并将其放入一个数据库表以供日后的Cognos访问。

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Access frequency of database is one of the key factors to affect association rule mining performance.

数据库的访问频度是影响关联规则挖掘性能的关键因素之一。

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