随着以数据库、数据仓库等数据仓储技术为基础的信息系统在各行各业的应用，使海量数据不断产生。而数据采集手段的丰富，使获取、保存大量数据变得容易，从庞杂的数据中提取有用的知识和信息是数据挖掘的主要任务，关联规则是数据挖掘领域的一个重要分支

我加了几个关联词，否则不象专业论文的风格。

Nowadays, information systems based on data storage technologies such as database,data warehouse, etc. are widely used in the business world. With such systems, massive amount of data is generated every day. In addition, the process of gathering and storing large amount of data is greatly simplified by various data acquisition technologies. The main task of data mining, accordingly, is to extract useful knowledge and information from numerous data. One of the important branch in data mining area is the association rule.