摘要
元数据是数据仓库实现和管理的灵魂,也是实现数据仓库系统的一个难点。首先介绍了元数据的定义、作用和分类;然后讨论了数据仓库系统中元数据的标准化情况,着重探讨了元数据的管理策略以及元数据体系结构。
Metadata is the core of realization and management in data warehouse and also the difficulty of building a data warehouse system. The definition, function and classification of metadata are introduced. The standardization of metadata in data warehouse is discussed. The metadata management strategy and metadata architecture are probed.
出处
《武汉理工大学学报(信息与管理工程版)》
CAS
2005年第1期26-30,共5页
Journal of Wuhan University of Technology:Information & Management Engineering