A general method for spatial reasoning in spatial databases
CIKM '95 Proceedings of the fourth international conference on Information and knowledge management
Towards maintaining consistency of spatial databases
CIKM '97 Proceedings of the sixth international conference on Information and knowledge management
Editorial: “Consistency Revisited”
Geoinformatica
Reasoning about Gradual Changes of Topological Relationships
Proceedings of the International Conference GIS - From Space to Territory: Theories and Methods of Spatio-Temporal Reasoning on Theories and Methods of Spatio-Temporal Reasoning in Geographic Space
A framework for dynamic updates of map data in mobile devices
International Journal of Web Engineering and Technology
A framework for dynamic updates of map data in mobile devices
W2GIS'05 Proceedings of the 5th international conference on Web and Wireless Geographical Information Systems
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Generalization of spatial databases consists of complicated operations including not only geometric transformations but also topological changes. The changes often result in an inconsistency between the original and derived databases. In order to control the quality of derived databases, we must assess the topological consistency. In this paper, we propose a set of rules to assess topological consistency for the collapse operation. The rules are based on a rigorous classification of topological properties in a collapse operation. By these rules, we can detect inconsistent topological changes in the generalization process and improve the quality of derived databases.