FROM THE SCHEMA MATCHING TO THE INTEGRATION OF UPDATING INFORMATION INTO USER GEOGRAPHIC DATABASES

Abstract

This article presents the results of a study on the definition of models and functionalities of tools for the integration of updating information into geographic databases. This updating information is delivered by a geographic information producer (such as a National Mapping Agency). These tools should be generic, i.e. independent of geographic databases and GIS software. This can be reach with a rigorous schema matching between user and producer databases schemas. With such a schema matching, a process with four stages is proposed: scheduling and grouping, filtering, integration of updates and management of conflicts. As a conclusion, implementation of a portable prototype is proposed.

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