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KDD
2009
ACM
151views Data Mining» more  KDD 2009»
15 years 10 months ago
A LRT framework for fast spatial anomaly detection
Given a spatial data set placed on an n ? n grid, our goal is to find the rectangular regions within which subsets of the data set exhibit anomalous behavior. We develop algorithm...
Mingxi Wu, Xiuyao Song, Chris Jermaine, Sanjay Ran...
SAC
2009
ACM
15 years 4 months ago
GPU-based computation of distance functions on road networks with applications
We present a GPU-based algorithm for computing discretized distance functions on road networks. As applications, we provide algorithms for computing discrete Order-k Network Voron...
Marta Fort, Joan Antoni Sellarès
COSIT
2009
Springer
129views GIS» more  COSIT 2009»
15 years 4 months ago
Semi-automated Derivation of Conceptual Neighborhood Graphs of Topological Relations
Conceptual neighborhood graphs are similarity-based schemata of spatial/temporal relations. This paper proposes a semi-automated method for deriving a conceptual neighborhood graph...
Yohei Kurata
COSIT
2009
Springer
130views GIS» more  COSIT 2009»
15 years 4 months ago
Comparing Relations with a Multi-holed Region
Relation models have treated multi-holed regions relations either the same as hole-free regions relations, loosing this way the peculiarities of the holed topology, or with methods...
Maria Vasardani, Max J. Egenhofer
ISMIS
2009
Springer
15 years 4 months ago
GIS-FLSolution: A Spatial Analysis Platform for Static and Transportation Facility Location Allocation Problem
Static and transportation facility location allocation problem is a new problem in facility location research. It aims to find out optimal locations of static and transportation fa...
Wei Gu, Xin Wang, Liqiang Geng