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» Experiences on Processing Spatial Data with MapReduce
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WSC
1998
14 years 11 months ago
Discrete Event Simulation Experiments and Geographic Information Systems in Congestion Management Planning
A regional transportation system and the movement of large traffic volumes through it, are characteristic of stochastic systems. The standard traffic management or transportation ...
Roy Brooks Wiley, Thomas K. Keyser
DAGM
2005
Springer
15 years 3 months ago
Variational Deblurring of Images with Uncertain and Spatially Variant Blurs
We consider the problem of deblurring images which have been blurred by different reasons during image acquisition. We propose a variational approach admitting spatially variant an...
Martin Welk, David Theis, Joachim Weickert
SIGMOD
1997
ACM
113views Database» more  SIGMOD 1997»
15 years 1 months ago
Size Separation Spatial Join
The Partitioned Based Spatial-Merge Join (PBSM) of Patel and DeWitt and the Size Separation Spatial Join (S3 J) of Koudas and Sevcik are considered to be among the most efficient ...
Nick Koudas, Kenneth C. Sevcik
ECHT
1992
15 years 1 months ago
Two Years before the Mist: Experiences with Aquanet
Aquanet is a collaborative hypertext tool that combines elements of frame-based knowledge representation and graphical presentation. In this paper, we examine the first major appl...
Catherine C. Marshall, Russell A. Rogers
VLDB
2005
ACM
120views Database» more  VLDB 2005»
15 years 3 months ago
Efficiently Processing Queries on Interval-and-Value Tuples in Relational Databases
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
Jost Enderle, Nicole Schneider, Thomas Seidl