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WINE
2009
Springer
172views Economy» more  WINE 2009»
16 years 2 months ago
An Online Multi-unit Auction with Improved Competitive Ratio
We improve the best known competitive ratio (from 1/4 to 1/2), for the online multi-unit allocation problem, where the objective is to maximize the single-price revenue. Moreover, ...
Sourav Chakraborty, Nikhil R. Devanur
ISICA
2007
Springer
16 years 1 months ago
On the Performance of Metamodel Assisted MOEA/D
Abstract. MOEA/D is a novel and successful Multi-Objective Evolutionary Algorithms(MOEA) which utilizes the idea of problem decomposition to tackle the complexity from multiple obj...
Wudong Liu, Qingfu Zhang, Edward P. K. Tsang, Cao ...
PPSN
2004
Springer
16 years 24 days ago
Hierarchical Genetic Algorithms
Current Genetic Algorithms can efficiently address order-k separable problems, in which the order of the linkage is restricted to a low value k. Outside this class, there exist hie...
Edwin D. de Jong, Dirk Thierens, Richard A. Watson
GECCO
2003
Springer
115views Optimization» more  GECCO 2003»
16 years 19 days ago
A Specialized Island Model and Its Application in Multiobjective Optimization
This paper discusses a new model of parallel evolutionary algorithms (EAs) called the specialized island model (SIM) that can be used to generate a set of diverse non-dominated sol...
Ningchuan Xiao, Marc P. Armstrong
ROBVIS
2001
Springer
114views Robotics» more  ROBVIS 2001»
15 years 12 months ago
A Wavelet-Based Algorithm for Height from Gradients
This paper presents a wavelet-based algorithm for height from gradients. The tensor product of the third-order Daubechies’ scaling functions is used to span the solution space. ...
Tiangong Wei, Reinhard Klette