307
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GIS
2008
ACM
16 years 8 months ago
2008
ACM
The pervasiveness of location-acquisition technologies (GPS, GSM networks, etc.) enable people to conveniently log the location histories they visited with spatio-temporal data. T...
281
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GIS
2008
ACM
16 years 8 months ago
2008
ACM
Multi-dimensional spatial data are obtained when a number of data acquisition devices are deployed at different locations to measure a certain set of attributes of the study subje...
278
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GIS
2007
ACM
16 years 8 months ago
2007
ACM
We present a novel framework for organizing large collections of images in a hierarchical way, based on scene semantics. Rather than score images directly, we use them to score th...
305
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GIS
2007
ACM
16 years 8 months ago
2007
ACM
We consider trails to be a document type of growing importance, authored in abundance as locative technologies become embedded in mobile devices carried by billions of humans. As ...
283
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GIS
2007
ACM
16 years 8 months ago
2007
ACM
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...