THE SYSTEMS INTEGRATION PROBLEM

被引：35

作者：

ABEL, DJ ^{[1
]}

KILBY, PJ ^{[1
]}

DAVIS, JR ^{[1
]}

机构：

[1] CSIRO,DIV WATER RESOURCES,CANBERRA,ACT 2601,AUSTRALIA

来源：

INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SYSTEMS | 1994年 / 8卷 / 01期

关键词：

D O I：

10.1080/02693799408901984

中图分类号：

P9 [自然地理学]; K9 [地理];

学科分类号：

0705 ; 070501 ;

摘要：

The systems integration problem, defined as coupling GIS and other systems, is analysed by the use of two models based on database and federated database reference models. A three-schema model of a system enables the classification of incompatibilities between systems in terms of differences in external, conceptual and internal schemas. A systems reference model identifies transformation, constructor and accessor operations as the basic mechanisms to overcome these differences. The possible architectures of integrated systems are defined in terms of the presence of these operations and their general strengths and weaknesses are assessed.

引用

页码：1 / 12

页数：12

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