摘要
数据是地理信息系统(GIS)中最基本和最重要的组成部分,数据的质量直接影响到地理信息系统的经济效益和社会效益。因此,空间数据的质量,特别是空间数据的不确定性变得越来越重要。介绍了GIS中不确定性的概念及其分类,总结了目前该领域的研究理论基础、研究现状及其进展,分析了研究中存在的问题并给出了一些建设性的意见。
In GIS, the quality of spatial data affects the applicability of data and the reliability of applications directly. Hence, the quality of GIS spatial data, especially the uncertainty of spatial data, is becoming more and more important. In this paper, the concept and kinds of uncertainty in GIS are discussed, and then the research theories, situations and progress in this field are summarized. Finally, some problems existing in GIS uncertainty research field and some suggestions are given.
出处
《重庆邮电大学学报(自然科学版)》
2006年第z1期232-234,共3页
Journal of Chongqing University of Posts and Telecommunications(Natural Science Edition)
基金
重庆邮电大学自然科学基金资助(A2006-58)