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ICTAI
2005
IEEE
14 years 1 months ago
Using a Lagrangian Heuristic for a Combinatorial Auction Problem
In this paper, a combinatorial auction problem is modeled as a NP-complete set packing problem and a Lagrangian relaxation based heuristic algorithm is proposed. Extensive experim...
Yunsong Guo, Andrew Lim, Brian Rodrigues, Jiqing T...
ICTAI
2005
IEEE
14 years 1 months ago
Determining the Optimal Number of Clusters Using a New Evolutionary Algorithm
Estimating the optimal number of clusters for a dataset is one of the most essential issues in cluster analysis. An improper pre-selection for the number of clusters might easily ...
Wei Lu, Issa Traoré
ICTAI
2005
IEEE
14 years 1 months ago
Improving Lotos Simulation Using Constraint Propagation
Lotos is the ISO formal specification language for describing and verifying concurrent and distributed systems. The simulation or execution of complex Lotos specifications is, h...
Malek Mouhoub, Samira Sadaoui
ICTAI
2005
IEEE
14 years 1 months ago
Motion Prediction in a High-Speed, Dynamic Environment
The immanent existence of system latency greatly affects the control behavior of a closed-loop system. In order to reduce the influence induced by latency, this paper proposes a ...
Yu Sheng, Yonghai Wu
ICTAI
2005
IEEE
14 years 1 months ago
Prediction of the Stock Exchange of Thailand Using Adaptive Evolution Strategies
In this paper we present a prediction process of the Stock Exchange of Thailand index using adaptive evolution strategies. The prediction process does not require the knowledge of...
Sunisa Rimcharoen, Daricha Sutivong, Prabhas Chong...