123 search results - page 12 / 25 » Query Processing Using Distance Oracles for Spatial Networks |
217
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GIS
2007
ACM
16 years 3 months ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
210
Voted
SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
120
Voted
GIS
2009
ACM
15 years 6 months ago
2009
ACM
The in-network query processing paradigm in sensor networks postulates that a query is routed among sensors and collects the answers from the sensors on its trajectory. It works f...
121
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GIS
2002
ACM
15 years 2 months ago
2002
ACM
A very important class of queries in GIS applications is the class of K-Nearest Neighbor queries. Most of the current studies on the K-Nearest Neighbor queries utilize spatial ind...
208
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GIS
2004
ACM
16 years 3 months ago
2004
ACM
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...