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Geographic Information Sciences Commons

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Geography

Electronic Theses and Dissertations

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Topological Equivalence And Similarity In Multi-Representation Geographic Databases, Joao Argemiro De Carvalho Paiva Dec 1998

Topological Equivalence And Similarity In Multi-Representation Geographic Databases, Joao Argemiro De Carvalho Paiva

Electronic Theses and Dissertations

Geographic databases contain collections of spatial data representing the variety of views for the real world at a specific time. Depending on the resolution or scale of the spatial data, spatial objects may have different spatial dimensions, and they may be represented by point, linear, or polygonal features, or combination of them. The diversity of data that are collected over the same area, often from different sources, imposes a question of how to integrate and to keep them consistent in order to provide correct answers for spatial queries. This thesis is concerned with the development of a tool to check …