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SOFTVIS
2010
ACM
15 years 4 months ago
VIPERS: visual prototyping environment for real-time imaging systems
This paper presents a novel environment for the visual design and prototyping of computer vision systems. The proposed environment consists of a modular architecture, where each m...
Frédéric Jean, Alexandra Branzan Alb...
CEC
2009
IEEE
15 years 11 months ago
Memetic algorithm with Local search chaining for large scale continuous optimization problems
Abstract— Memetic algorithms arise as very effective algorithms to obtain reliable and high accurate solutions for complex continuous optimization problems. Nowadays, high dimens...
Daniel Molina, Manuel Lozano, Francisco Herrera
COCOA
2008
Springer
15 years 8 months ago
Elementary Approximation Algorithms for Prize Collecting Steiner Tree Problems
This paper deals with approximation algorithms for the prize collecting generalized Steiner forest problem, defined as follows. The input is an undirected graph G = (V, E), a colle...
Shai Gutner
APPROX
2010
Springer
193views Algorithms» more  APPROX 2010»
15 years 8 months ago
Approximation Algorithms for the Directed k-Tour and k-Stroll Problems
We consider two natural generalizations of the Asymmetric Traveling Salesman problem: the k-Stroll and the k-Tour problems. The input to the k-Stroll problem is a directed n-verte...
MohammadHossein Bateni, Julia Chuzhoy
FOCS
2002
IEEE
15 years 11 months ago
A Constant-Factor Approximation Algorithm for the Multicommodity
We present the first constant-factor approximation algorithm for network design with multiple commodities and economies of scale. We consider the rent-or-buy problem, a type of m...
Amit Kumar, Anupam Gupta, Tim Roughgarden