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» Data Models and Query Languages for Spatial Databases
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101
Voted
GIS
1999
ACM
15 years 7 months ago
Improved Bulk-Loading Algorithms for Quadtrees
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involv...
Gísli R. Hjaltason, Hanan Samet
115
Voted
VLDB
1991
ACM
111views Database» more  VLDB 1991»
15 years 6 months ago
The Power of Methods With Parallel Semantics
A model capturing the data manipulation capabilities of a large class of methods in ohjectoriented databases is proposed and investsigated. The model uses a deterministic, paralle...
Karl Denninghoff, Victor Vianu
194
Voted
GIS
2007
ACM
16 years 3 months ago
A model for enriching trajectories with semantic geographical information
The collection of moving object data is becoming more and more common, and therefore there is an increasing need for the efficient analysis and knowledge extraction of these data ...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
200
Voted
SIGMOD
2005
ACM
141views Database» more  SIGMOD 2005»
16 years 2 months ago
Integrating databases and workflow systems
There has been an information explosion in fields of science such as high energy physics, astronomy, environmental sciences and biology. There is a critical need for automated sys...
Srinath Shankar, Ameet Kini, David J. DeWitt, Jeff...
235
Voted
ICDE
2009
IEEE
129views Database» more  ICDE 2009»
16 years 4 months ago
Computing Distance Histograms Efficiently in Scientific Databases
Abstract-- Particle simulation has become an important research tool in many scientific and engineering fields. Data generated by such simulations impose great challenges to databa...
Yi-Cheng Tu, Shaoping Chen, Sagar Pandit