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GECCO
2008
Springer
139views Optimization» more  GECCO 2008»
15 years 3 months ago
Coordinate change operators for genetic algorithms
This paper studies the issue of space coordinate change in genetic algorithms, based on two methods: convex quadratic approximations, and principal component analysis. In both met...
Elizabeth F. Wanner, Eduardo G. Carrano, Ricardo H...
ISCI
2007
105views more  ISCI 2007»
15 years 1 months ago
Cost modeling of spatial operators using non-parametric regression
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
Songtao Jiang, Byung Suk Lee, Zhen He
ATAL
2009
Springer
15 years 8 months ago
Operators for propagating trust and their evaluation in social networks
Trust is a crucial basis for interactions among parties in large, open systems. Yet, the scale and dynamism of such systems make it infeasible for each party to have a direct basi...
Chung-Wei Hang, Yonghong Wang, Munindar P. Singh
HICSS
2006
IEEE
165views Biometrics» more  HICSS 2006»
15 years 8 months ago
Efficient Algorithms for Batch Re-Keying Operations in Secure Multicast
Secure multicast has a variety of applications in ecommerce, e-banking, command and control, video-ondemand, and other internet-based services. In this paper, we present algorithm...
Mohammad Hossain Heydari, Linda Morales, Ivan Hal ...
FCT
2003
Springer
15 years 7 months ago
Operations Preserving Recognizable Languages
Abstract. Given a subset S of N, filtering a word a0a1 · · · an by S consists in deleting the letters ai such that i is not in S. By a natural generalization, denote by L[S], w...
Jean Berstel, Luc Boasson, Olivier Carton, Bruno P...