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» Transliteration as Constrained Optimization
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SIAMSC
2010
132views more  SIAMSC 2010»
15 years 19 days ago
An Interior-Point Algorithm for Large-Scale Nonlinear Optimization with Inexact Step Computations
We present a line-search algorithm for large-scale continuous optimization. The algorithm is matrix-free in that it does not require the factorization of derivative matrices. Inste...
Frank E. Curtis, Olaf Schenk, Andreas Wächter
ICDE
2010
IEEE
194views Database» more  ICDE 2010»
16 years 22 days ago
Visualizing cost-based XQuery optimization
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
Andreas M. Weiner, Theo Härder, Renato Olivei...
ANOR
2007
166views more  ANOR 2007»
15 years 6 months ago
Memetic particle swarm optimization
Abstract We propose a new Memetic Particle Swarm Optimization scheme that incorporates local search techniques in the standard Particle Swarm Optimization algorithm, resulting in a...
Y. G. Petalas, Konstantinos E. Parsopoulos, Michae...
GECCO
2005
Springer
111views Optimization» more  GECCO 2005»
15 years 11 months ago
Optimization with constraints using a cultured differential evolution approach
In this paper we propose a cultural algorithm, where different knowledge sources modify the variation operator of a differential evolution algorithm. Differential evolution is u...
Ricardo Landa Becerra, Carlos A. Coello Coello
ICDE
2007
IEEE
120views Database» more  ICDE 2007»
16 years 6 days ago
Support Concurrent Queries in Multiuser CBIR Systems
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
Danzhou Liu, Kien A. Hua