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DASFAA
2008
IEEE
101views Database» more  DASFAA 2008»
14 years 2 months ago
Topological Relationships between Map Geometries
The importance of topological relationships between spatial objects is recognized in many disciplines. In the field of spatial databases, topological relationships have played an ...
Mark McKenney, Markus Schneider
SEMWEB
2009
Springer
14 years 2 months ago
Semantic Geo-Catalog: A Scenario and Requirements
Abstract. In this short paper we present a scenario and requirements for ontology matching posed by a geographical application, namely a semantic geocatalog, which is an integral p...
Pavel Shvaiko, Lorenzino Vaccari, Gaia Trecarichi
ADBIS
1998
Springer
100views Database» more  ADBIS 1998»
14 years 7 days ago
Multiple Range Query Optimization in Spatial Databases
In order to answer efficiently range queries in 2-d R-trees, first we sort queries by means of a space filling curve, then we group them together, and finally pass them for process...
Apostolos Papadopoulos, Yannis Manolopoulos
SSD
2005
Springer
175views Database» more  SSD 2005»
14 years 1 months ago
Probabilistic Spatial Queries on Existentially Uncertain Data
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
Xiangyuan Dai, Man Lung Yiu, Nikos Mamoulis, Yufei...
SSD
2005
Springer
98views Database» more  SSD 2005»
14 years 1 months ago
Medoid Queries in Large Spatial Databases
Assume that a franchise plans to open k branches in a city, so that the average distance from each residential block to the closest branch is minimized. This is an instance of the ...
Kyriakos Mouratidis, Dimitris Papadias, Spiros Pap...