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» Spatial Joins and R-trees
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GIS
2005
ACM
14 years 8 months ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
14 years 7 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
CORR
2010
Springer
205views Education» more  CORR 2010»
13 years 7 months ago
Behavioral Simulations in MapReduce
In many scientific domains, researchers are turning to large-scale behavioral simulations to better understand real-world phenomena. While there has been a great deal of work on s...
Guozhang Wang, Marcos Antonio Vaz Salles, Benjamin...
ECCV
2000
Springer
14 years 9 months ago
Euclidean Group Invariant Computation of Stochastic Completion Fields Using Shiftable-Twistable Functions
We describe a method for computing the likelihood that a completion joining two contour fragments passes through any given position and orientation in the image plane, that is, a m...
John W. Zweck, Lance R. Williams
ISM
2008
IEEE
157views Multimedia» more  ISM 2008»
14 years 2 months ago
PhotoGeo: A Self-Organizing System for Personal Photo Collections
Nowadays the photo-capturing devices are no longer limited to digital cameras but include mobile phones, PDAs and others. This is leading to a new problem: a very large number of ...
Yuri Almeida Lacerda, Hugo Feitosa de Figueir&ecir...