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GECCO
2005
Springer
135views Optimization» more  GECCO 2005»
15 years 9 months ago
Improving particle swarm optimization with differentially perturbed velocity
This paper introduces a novel scheme of improving the performance of particle swarm optimization (PSO) by a vector differential operator borrowed from differential evolution (DE)....
Swagatam Das, Amit Konar, Uday Kumar Chakraborty
CPM
2000
Springer
143views Combinatorics» more  CPM 2000»
15 years 7 months ago
Explaining and Controlling Ambiguity in Dynamic Programming
Abstract. Ambiguity in dynamic programming arises from two independent sources, the non-uniqueness of optimal solutions and the particular recursion scheme by which the search spac...
Robert Giegerich
DEXAW
1999
IEEE
146views Database» more  DEXAW 1999»
15 years 7 months ago
SIM - A System for Semi-Automatic Indexing of Multilingual Documents
With the growing significance of digital libraries and the Internet, more and more electronic texts become accessible to a wide and geographically disperse public. This requires a...
Ulrich Schiel, Ianna M. S. F. de Sousa, Edberto Fe...
EUROCRYPT
2000
Springer
15 years 7 months ago
A NICE Cryptanalysis
We present a chosen-ciphertext attack against both NICE cryptosystems. These two cryptosystems are based on computations in the class group of non-maximal imaginary orders. More pr...
Éliane Jaulmes, Antoine Joux
ECSQARU
1995
Springer
15 years 7 months ago
Parametric Structure of Probabilities in Bayesian Networks
The paper presents a method for uncertainty propagation in Bayesian networks in symbolic, as opposed to numeric, form. The algebraic structure of probabilities is characterized. Th...
Enrique Castillo, José Manuel Gutiér...