123 search results - page 8 / 25 » Query Processing Using Distance Oracles for Spatial Networks |
179
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
120
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SIGMOD
2012
ACM
13 years 2 months ago
2012
ACM
Big data is the tar sands of the data world: vast reserves of raw gritty data whose valuable information content can only be extracted at great cost. MapReduce is a popular parall...
190
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract-- Particle simulation has become an important research tool in many scientific and engineering fields. Data generated by such simulations impose great challenges to databa...
105
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SEDE
2008
15 years 1 months ago
2008
In this paper we present an energy efficient framework for processing spatial alarms on mobile clients, while maintaining low computation and storage costs. Our approach to spatia...
113
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VLDB
2004
ACM
15 years 5 months ago
2004
ACM
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...