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» A Data Model for Moving Objects Supporting Aggregation
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DMDW
2000
161views Management» more  DMDW 2000»
15 years 5 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
SDMW
2009
Springer
15 years 10 months ago
An Access Control Language for a General Provenance Model
Provenance access control has been recognized as one of the most important components in an enterprise-level provenance system. However, it has only received little attention in th...
Qun Ni, Shouhuai Xu, Elisa Bertino, Ravi S. Sandhu...
GMP
2010
IEEE
297views Solid Modeling» more  GMP 2010»
15 years 8 months ago
Non-manifold Medial Surface Reconstruction from Volumetric Data
We present a method for medial surface reconstruction from volumetric data of thin-plate objects including junctions. Given medial voxels and distance fields computed from binariz...
Takashi Michikawa, Hiromasa Suzuki
TSP
2008
178views more  TSP 2008»
15 years 3 months ago
Extended Object Tracking Using Monte Carlo Methods
Abstract-- This paper addresses the problem of tracking extended objects, such as ships or a convoy of vehicles moving in urban environment. Two Monte Carlo techniques for extended...
Donka S. Angelova, Lyudmila Mihaylova
GIS
2006
ACM
16 years 4 months ago
ST-ACTS: a spatio-temporal activity simulator
Creating complex spatio?temporal simulation models is a hot issue in the area of spatio?temporal databases [7]. While existing Moving Object Simulators (MOSs) address different ph...
Gyözö Gidófalvi, Torben Bach Pede...