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COR
2006
98views more  COR 2006»
13 years 10 months ago
Exploiting semidefinite relaxations in constraint programming
Constraint programming uses enumeration and search tree pruning to solve combinatorial optimization problems. In order to speed up this solution process, we investigate the use of...
Willem Jan van Hoeve
EOR
2006
62views more  EOR 2006»
13 years 10 months ago
A sequential procedure for neighborhood selection-of-the-best in optimization via simulation
We propose a fully sequential indifference-zone selection procedure that is specifically for use within an optimization-via-simulation algorithm when simulation is costly, and par...
Juta Pichitlamken, Barry L. Nelson, L. Jeff Hong
IJVR
2006
140views more  IJVR 2006»
13 years 10 months ago
Cognitive, Mental and Physical Rehabilitation Using a Configurable Virtual Reality System
This paper describes a unified approach to virtual reality platform and treat this domain as a whole whereas the cognitive, psychological and physical aspects of helping people are...
Barnabas Takacs
MP
2002
85views more  MP 2002»
13 years 9 months ago
Generalized Goal Programming: polynomial methods and applications
In this paper we address a general Goal Programming problem with linear objectives, convex constraints, and an arbitrary componentwise nondecreasing norm to aggregate deviations w...
Emilio Carrizosa, Jörg Fliege
SODA
2010
ACM
168views Algorithms» more  SODA 2010»
14 years 7 months ago
An O(log n/log log n)-approximation algorithm for the asymmetric traveling salesman problem
We consider the Asymmetric Traveling Salesman problem for costs satisfying the triangle inequality. We derive a randomized algorithm which delivers a solution within a factor O(lo...
Arash Asadpour, Michel X. Goemans, Aleksander Madr...