Generally, data mining (sometimes called data or knowledge discovery) is the process of analyzing data from different perspectiv

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问题 Generally, data mining (sometimes called data or knowledge discovery) is the process of analyzing data from different perspectives and (1) it into useful information information that can be used to increase revenue, (2) costs, or both. Data mining software is one of a number of analytical tools for analyzing data. It (3) users to analyze data from many different dimensions or angles, categorize it, and summarize the relationships identified. Technically, data mining is the process of finding correlations or patterns among dozens of fields in large relational databases.
   Although data mining is a (4) new term, the technology is not. Companies have used powerful computers to sift through volumes of supermarket scanner data and analyze market research reports for years. However, continuous innovations in computer processing power, disk storage, and statistical software are dramatically increasing the accuracy of analysis while driving (5) the cost.

选项 A、away
B、into
C、back
D、down

答案D

解析 一般来说,数据挖掘(有时也称数据发现或知识发现)是一个从不同方面分析数据并将其总结成有用信息的过程,而这样的信息有助于增加财政收人或降低耗费或两者兼而有之。数据挖掘软件是为数众多的数据分析工具中的一种。它允许用户从许多不同的维度或角度去分析数据并且对它们进行分类并总结这些类别之间的关系。从技术上来说,数据挖掘就是从大型关系数据库的众多领域中去寻找相关性和模式的一个过程。尽管数据挖掘是个相对较新的术语,但是该技术并不新。多年来,很多公司就是用强大的计算机来审核超市扫描仪的数据以及分析市场调查报告。然而,计算机的处理能力、磁盘的存储容量以及统计性软件等各方面的持续革新显著地提高了分析的精确性,同时节省了费用。
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