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» Instance optimal query processing in spatial networks
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PODS
1999
ACM
133views Database» more  PODS 1999»
15 years 10 months ago
Processing and Optimization of Multiway Spatial Joins Using R-Trees
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
Dimitris Papadias, Nikos Mamoulis, Yannis Theodori...
166
Voted
SSD
2001
Springer
94views Database» more  SSD 2001»
15 years 10 months ago
Selectivity Estimation of Complex Spatial Queries
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
Nikos Mamoulis, Dimitris Papadias
159
Voted
MOBIDE
2005
ACM
15 years 11 months ago
Context-aware optimization of continuous range queries maintenance for trajectories
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...
Goce Trajcevski, Hui Ding, Peter Scheuermann
156
Voted
DASFAA
1999
IEEE
79views Database» more  DASFAA 1999»
15 years 10 months ago
Early Separation of Filter and Refinement Steps in Spatial Query Optimization
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...
Ho-Hyun Park, Chan-Gun Lee, Yong-Ju Lee, Chin-Wan ...
157
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ICPP
2003
IEEE
15 years 11 months ago
Towards Real-time Parallel Processing of Spatial Queries
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...
Haibo Hu, Manli Zhu, Dik Lun Lee