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» Percentile Finding Algorithm for Multiple Sorted Runs
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GIS
2005
ACM
14 years 8 months ago
Close pair queries in moving object databases
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
Panfeng Zhou, Donghui Zhang, Betty Salzberg, Gene ...
ICDE
2005
IEEE
113views Database» more  ICDE 2005»
14 years 8 months ago
On the Optimal Ordering of Maps and Selections under Factorization
The query optimizer of a database system is confronted with two aspects when handling user-defined functions (UDFs) in query predicates: the vast differences in evaluation costs b...
Thomas Neumann, Sven Helmer, Guido Moerkotte
ATMOS
2010
162views Optimization» more  ATMOS 2010»
13 years 5 months ago
Heuristics for the Traveling Repairman Problem with Profits
In the traveling repairman problem with profits, a repairman (also known as the server) visits a subset of nodes in order to collect time-dependent profits. The objective consists...
Thijs Dewilde, Dirk Cattrysse, Sofie Coene, Frits ...
IPPS
2010
IEEE
13 years 5 months ago
Large neighborhood local search optimization on graphics processing units
Local search (LS) algorithms are among the most powerful techniques for solving computationally hard problems in combinatorial optimization. These algorithms could be viewed as &q...
Thé Van Luong, Nouredine Melab, El-Ghazali ...
FCCM
1998
IEEE
169views VLSI» more  FCCM 1998»
13 years 11 months ago
Scalable Network Based FPGA Accelerators for an Automatic Target Recognition Application
Abstract Image processing, specifically Automatic Target Recognition (ATR) in Synthetic Aperture Radar (SAR) imagery, is an application area that can require tremendous processing ...
Ruth Sivilotti, Young Cho, Wen-King Su, Danny Cohe...