APPLICATION OF OBJECT-ORIENTED DATABASES TO GEOGRAPHIC INFORMATION-SYSTEMS

被引:8
作者
ROBERTS, SA
GAHEGAN, MN
HOGG, J
HOYLE, B
机构
[1] UNIV LEEDS,SCH GEOG,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
[2] UNIV LEEDS,DEPT ELECT & ELECTR ENGN,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
关键词
GEOGRAPHIC INFORMATION SYSTEMS; DATABASES; OBJECT-ORIENTED; OBJECT-ORIENTED DATABASES;
D O I
10.1016/0950-5849(91)90022-4
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Geographic information systems (GISs) are required to support a wide range of applications, many of which involve vast quantities of data, typically requiring data structures and access paths not conveniently represented using traditional record-based data models. The object-oriented approach to database management has been developed principally to cater for engineering and scientific applications whose data are naturally viewed as a collection of objects. The question addressed by the paper is whether the object-oriented modelling semantics are suitable for geographic information and the spatial nature of relationships between objects. Three views of geographic information are presented and the object-oriented approach to data representation is examined in the light of each view. Examples of GIS functionality are based on a system developed by the authors.
引用
收藏
页码:38 / 46
页数:9
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