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» Parameterized Complexity and Approximation Algorithms
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103
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PPSN
2000
Springer
15 years 1 months ago
Optimizing through Co-evolutionary Avalanches
Abstract. We explore a new general-purpose heuristic for nding highquality solutions to hard optimization problems. The method, called extremal optimization, is inspired by self-or...
Stefan Boettcher, Allon G. Percus, Michelangelo Gr...
99
Voted
DEXA
2008
Springer
132views Database» more  DEXA 2008»
14 years 12 months ago
Efficient Updates for Continuous Skyline Computations
We address the problem of maintaining continuous skyline queries efficiently over dynamic objects with d dimensions. Skyline queries are an important new search capability for mult...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku
WADS
2007
Springer
180views Algorithms» more  WADS 2007»
15 years 4 months ago
Spanners for Geometric Intersection Graphs
A ball graph is an intersection graph of a set of balls with arbitrary radii. Given a real number t > 1, we say that a subgraph G′ of a graph G is a t-spanner of G, if for eve...
Martin Fürer, Shiva Prasad Kasiviswanathan
89
Voted
SIGECOM
2005
ACM
105views ECommerce» more  SIGECOM 2005»
15 years 3 months ago
Towards truthful mechanisms for binary demand games: a general framework
The family of Vickrey-Clarke-Groves (VCG) mechanisms is arguably the most celebrated achievement in truthful mechanism design. However, VCG mechanisms have their limitations. They...
Ming-Yang Kao, Xiang-Yang Li, Weizhao Wang
81
Voted
AFRIGRAPH
2003
ACM
15 years 1 months ago
Efficient clustering and visibility calculation for global illumination
Using a radiosity method to estimate light inter-reflections within large scenes still remains a difficult task. The two main reasons are: (i) the computations entailed by the rad...
Daniel Meneveaux, Kadi Bouatouch, Gilles Subrenat,...