856 search results - page 89 / 172 » Location-based Spatial Queries |
121
Voted
MOBIDE
2005
ACM
15 years 8 months ago
2005
ACM
This work addresses the problem of efficient maintenance of the (correct) answers to the continuous spatio-temporal range queries in Moving Objects Databases (MOD), which represen...
131
Voted
DGO
2003
15 years 4 months ago
2003
To query XML data over the Web, query engines need to be able to resolve semantic differences between heterogeneous attributes that are conceptually similar. This demo presents a ...
135
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MDM
2010
Springer
15 years 4 months ago
2010
Springer
A k-Range Nearest Neighbor (or kRNN for short) query in road networks finds the k nearest neighbors of every point on the road segments within a given query region based on the net...
253
Voted
SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
261
Voted
GIS
2006
ACM
16 years 3 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...