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» Verifying spatial queries using Voronoi neighbors
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DASFAA
2010
IEEE
213views Database» more  DASFAA 2010»
13 years 11 months ago
Efficient Algorithms to Monitor Continuous Constrained k Nearest Neighbor Queries
Abstract. Continuous monitoring of spatial queries has received significant research attention in the past few years. In this paper, we propose two efficient algorithms for the con...
Mahady Hasan, Muhammad Aamir Cheema, Wenyu Qu, Xue...
EDBT
2006
ACM
255views Database» more  EDBT 2006»
14 years 7 months ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
ISCI
2007
105views more  ISCI 2007»
13 years 7 months ago
Cost modeling of spatial operators using non-parametric regression
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
Songtao Jiang, Byung Suk Lee, Zhen He
ICDE
2006
IEEE
142views Database» more  ICDE 2006»
14 years 1 months ago
Location-based Spatial Queries with Data Sharing in Mobile Environments
Mobile clients feature increasingly sophisticated wireless networking support that enables realtime information exchange with remote databases. Location-dependent queries, such as...
Wei-Shinn Ku, Roger Zimmermann
EDBT
2004
ACM
163views Database» more  EDBT 2004»
14 years 7 months ago
Energy-Conserving Air Indexes for Nearest Neighbor Search
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...