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160
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
Recent research literature on sensor network databases has focused on finding ways to perform in-network aggregation of sensor readings to reduce the message cost. However, with t...
160
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
219
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
164
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
We present a novel method for the automatic generalization of land cover maps. A land cover map is composed of areas that collectively form a tessellation of the plane and each ar...
185
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GIS
2006
ACM
15 years 10 months ago
2006
ACM
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...