摘要
数据的有效组织及其变换过程是数据挖掘过程中首要且不可缺少的步骤。对三种适用于数据分析的主要数据结构:数据仓库、Web仓库和数据集市进行了介绍,并对它们的特点和数据组织方式分别进行了讨论。对主题数据库的数据矩阵表示形式及其典型的操作变换:频率分布、二值化等进行了探讨和分析。
The valid data organization and transformation is the first major step in data mining process. Three main database structures suitable for data analysis are introduced in this paper, which are data warehouse, web warehouse and data marts. The characteristics and the organization ways are discussed respectively. The data matrix about a subject database and its typical transformation, frequency distribution processing and two values processing, are analyzed.
出处
《信息技术》
2009年第2期114-116,共3页
Information Technology