文章基本信息

标题：Categorical database generalization
本地全文：下载
作者：Liu Yaolin ; Martin Molenaar ; Al Tinghua 等
期刊名称：Geo-spatial Information Science
印刷版ISSN：1009-5020
电子版ISSN：1993-5153
出版年度：2003
卷号：6
期号：4
页码：1-9
DOI：10.1007/BF02826943
出版社：Taylor and Francis Ltd
摘要：This paper focuses on the issues of categorical database generalization and emphasizes the roles of supporting data model, integrated data model, spatial analysis and semantic analysis in database generalization. The framework contents of categorical database generalization transformation are defined. This paper presents an integrated spatial supporting data structure, a semantic supporting model and similarity model for the categorical database generalization. The concept of transformation unit is proposed in generalization.
关键词：categorical database generalization; data model; hierarchy; semantic evaluation model; transformation; transformation unit