A loosely coupled interface to an object-oriented geographic database

被引:0
|
作者
Peloux, JP [1 ]
Rigaux, P [1 ]
机构
[1] CONSERVATOIRE NATL ARTS & METIERS,CEDRIC,F-75141 PARIS 03,FRANCE
关键词
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Communication between end-users and spatial databases raises important and specific issues. Unlike classical systems, it requires strong cooperation between two major tools: spatial query language and graphical interface. This paper addresses the problem of building an interactive querying system for spatial databases with an open architecture. We focus on the following issues: (i) design of a database-independent Graphical User Interface (GUI) providing query expression support and advanced user-database interaction functionnalities (ii) software architecture for dealing with exchanges between the database logical representation and a graphical representation at the interface level (iii) implementation of spatial data and functionnalities within a DBMS without requiring changes in the logical data model or query language syntax. We present a prototype coupling the O-2 DBMS,its query language O(2)Sql, and C++/X-Window-based toolkits as graphical components for the interface implementation.
引用
收藏
页码:123 / 137
页数:15
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