【摘要】 多维数据模型是数据仓库和联机分析处理中的一个重要环节。文章提出了一种新的多维数据模型。在该模型中,基于维与事件的关系,描绘了多维事件关系图,并利用非奇异聚集偏序集簇定义了维的结构。结合小灵通客户流失问题,给出了该模型的具体的实现。更多还原

【Abstract】 Multidimensional data model is an important problem in the field of data warehouse and OLAP.This paper defined a new multidimensional data model.The model described a multi-dimension fact relation map based on relationship between dimension and fact and defined the multi-dimension hierarchy through using aggregation function.We also give out a realization of the model by discussing the problem PAS customer defection in this article.更多还原