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GIS
2004
ACM
14 years 12 months ago
2004
ACM
Triangular Irregular Network (TIN) and Regular Square Grid (RSG) are widely used for representing 2.5 dimensional spatial data. However, these models are not defined from the topo...
GIS
2005
ACM
14 years 12 months ago
2005
ACM
Information about dynamic spatial fields, such as temperature, windspeed, or the concentration of gas pollutant in the air, is important for many environmental applications. At th...
GIS
2005
ACM
14 years 12 months ago
2005
ACM
Contraflow, or lane reversal, is a way of increasing outbound capacity of a real network by reversing the direction of inbound roads during evacuations. The contraflow is consider...
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GIS
2006
ACM
14 years 12 months ago
2006
ACM
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
GIS
2006
ACM
14 years 12 months ago
2006
ACM
An iconic image database is a collection of symbolic images where each image is a collection of labeled point features called icons. A method is presented to support fast position...