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A Framework for the Definition of Topological Relationships and an Algebraic Approach to Spatial Reasoning Within this Framework (91-7)
Abstract
Queries in spatial databases, such as GIS, image databases, or CAD/CAM systems, are often based on the relationships among spatial objects. The incorporation of spatial relationships over spatial domain into the syntax of a spatial query language is an essential extension beyond power of the traditional query languages. To help clarify the users' diverse understandings about the semantics of spatial relations and enable the processing of spatial queries it is proposed to formally describe the relationships.
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