On spatial database integration

Thomas Devogele, Christine Parent, Stefano Spaccapietra
1998 International Journal of Geographical Information Science  
This paper investigates the problems that arise when application requirements command that autonomous spatial databases be integrated into a federated one. The paper focuses on the most critical issues raised by the integration of databases of different scales. A short presentation of approaches to interoperability and of the main steps composing the integration process is given first. Next, a general format is proposed for precisely defining correspondences between objects of two databases.
more » ... format can deal with a wide range of discrepancies in GIS data. Last, a solution is presented for aggregation conflicts which arise when one object of one database corresponds to a set of objects in the other database, a very frequent case when the databases are of different scales. The method is applied to excerpts of real cartographic databases.
doi:10.1080/136588198241824 fatcat:eayg66kmkbfivat6fdfz442yqu