【摘要】 本文对Web环境下的数据仓库研究现状进行了综述。首先指出利用Web上的数据为决策支持服务的必要性,并针对半结构化数据如何集成到数据仓库、Web环境下的数据仓库体系结构、查询处理及几种具有代表性的Web数据仓库系统给出简要阐述。最后对相关问题的研究现状做了简要分析并加以展望。更多还原

【Abstract】 This paper gives an overview of the research on Web data warehouse. First it points out that the necessity of making use of Web data to give support to DSS. Then it analyzes the methods of integration of semistructured data into web data warehouse, architecture of Web data warehouse,OLAP processing and the characteristics of several Web data warehouse systems. At last the paper summaries the problems related to Web data warehouse and the future reaearch.更多还原