1180 search results - page 19 / 236 » A Logical Data Model for Integrated Geographical Databases |
SAC
1997
ACM
15 years 1 months ago
1997
ACM
Multidimensional discrete data (MDD), i.e., arrays of arbitrary size, dimension, and base type, are receiving growing attention among the database community. MDD occur in a variet...
RSKT
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. A fundamental data modeling problem in geographical information systems and spatial database systems refers to an appropriate treatment of the vagueness or indeterminacy ...
167
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
Geovisualization has traditionally played a critical role in analysis and decision-making, but recent developments have also brought a revolution in widespread online access to ge...
SAC
2005
ACM
15 years 3 months ago
2005
ACM
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...
75
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IAJIT
2008
14 years 9 months ago
2008
: In this paper a run-time model is proposed. The run-time model enforces integrity constraints for attributes that are derived from composition and inheritance hierarchies. The ru...