Abstract
Abstract The need for a conceptually high-level, unifying representational scheme for geographic phenomena was recognized long ago. A number of attempts to address this issue have been made in the past, and each has usually been centered around a specific theoretical point of view (Bartels 1982). This topic has reappeared recently within the context of geographical information systems (GIS). Recognizing that the representational scheme employed in large part determines the efficiency and ease of use within a given application context, there has been much activity in developing better methods for representing geographic data in digital form. Nevertheless, progress has been slow, with such activity usually focused on narrowly viewed implementational issues with no clear answers or overall insights toward solving the overall problem. This vacuum suggests the need for a more unified approach to both research in methods of representing geographic data and practical geographic database design based on a common ...
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