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» Range Queries Involving Spatial Relations: A Performance Ana...
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SSD
1999
Springer
106views Database» more  SSD 1999»
13 years 11 months ago
XZ-Ordering: A Space-Filling Curve for Objects with Spatial Extension
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
Christian Böhm, Gerald Klump, Hans-Peter Krie...
VLDB
2007
ACM
105views Database» more  VLDB 2007»
14 years 7 months ago
Using a distributed quadtree index in peer-to-peer networks
Abstract Peer-to-peer (P2P) networks have become a powerful means for online data exchange. Currently, users are primarily utilizing these networks to perform exact-match queries a...
Egemen Tanin, Aaron Harwood, Hanan Samet
SODA
1997
ACM
144views Algorithms» more  SODA 1997»
13 years 8 months ago
Methods for Achieving Fast Query Times in Point Location Data Structures
Given a collection S of n line segments in the plane, the planar point location problem is to construct a data structure that can e ciently determine for a given query point p the...
Michael T. Goodrich, Mark W. Orletsky, Kumar Ramai...
SSDBM
2008
IEEE
177views Database» more  SSDBM 2008»
14 years 1 months ago
Prioritized Evaluation of Continuous Moving Queries over Streaming Locations
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
Kostas Patroumpas, Timos K. Sellis
ICDE
2009
IEEE
219views Database» more  ICDE 2009»
14 years 9 months ago
Distance Oracles for Spatial Networks
The popularity of location-based services and the need to do real-time processing on them has led to an interest in performing queries on transportation networks, such as finding s...
Jagan Sankaranarayanan, Hanan Samet