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IJCGA
2007
55views more  IJCGA 2007»
15 years 6 months ago
Parabola Separation Queries and their Application to Stone Throwing
Given two sets A and B of m non-intersecting line segments in the plane, we show how to compute in O(m log m) time a data structure that uses O(m) space and allows to answer the fo...
Otfried Cheong, Hazel Everett, Hyo-Sil Kim, Sylvai...
ESA
2010
Springer
140views Algorithms» more  ESA 2010»
15 years 7 months ago
A Unified Approach to Approximate Proximity Searching
The inability to answer proximity queries efficiently for spaces of dimension d > 2 has led to the study of approximation to proximity problems. Several techniques have been pro...
Sunil Arya, Guilherme Dias da Fonseca, David M. Mo...
STOC
2001
ACM
134views Algorithms» more  STOC 2001»
16 years 7 months ago
Data-streams and histograms
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
Sudipto Guha, Nick Koudas, Kyuseok Shim
IPTPS
2005
Springer
16 years 4 days ago
Brushwood: Distributed Trees in Peer-to-Peer Systems
There is an increasing demand for locality-preserving distribution of complex data structures in peer-to-peer systems. Current systems either do not preserve object locality or su...
Chi Zhang, Arvind Krishnamurthy, Randolph Y. Wang
SAC
2010
ACM
16 years 1 months ago
On processing location based top-k queries in the wireless broadcasting system
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
HaRim Jung, Byung Ku Cho, Yon Dohn Chung, Ling Liu