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» Hard Problem Generation for MKP
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AUSAI
2005
Springer
14 years 3 months ago
A Lagrangian Heuristic for Winner Determination Problem in Combinatorial Auctions
Abstract. We present a Lagrangian-based heuristic LAHA for the Winner Determination Problem in Combinatorial Auctions. The algorithm makes use of the market computing power by appl...
Andrew Lim, Jiqing Tang
EWC
2010
91views more  EWC 2010»
13 years 8 months ago
Multiobjective global surrogate modeling, dealing with the 5-percent problem
When dealing with computationally expensive simulation codes or process measurement data, surrogate modeling methods are firmly established as facilitators for design space explor...
Dirk Gorissen, Ivo Couckuyt, Eric Laermans, Tom Dh...
CONSTRAINTS
2006
115views more  CONSTRAINTS 2006»
13 years 9 months ago
A Cost-Regular Based Hybrid Column Generation Approach
Abstract. Constraint Programming (CP) offers a rich modeling language of constraints embedding efficient algorithms to handle complex and heterogeneous combinatorial problems. To s...
Sophie Demassey, Gilles Pesant, Louis-Martin Rouss...
CATS
2008
13 years 11 months ago
Modelling for Lazy Clause Generation
Lazy clause generation is a hybrid SAT and finite domain propagation solver that tries to combine the advantages of both: succinct modelling using finite domains and powerful nogo...
Olga Ohrimenko, Peter J. Stuckey
COCOON
2009
Springer
14 years 4 months ago
On Finding Small 2-Generating Sets
Given a set of positive integers S, we consider the problem of finding a minimum cardinality set of positive integers X (called a minimum 2-generating set of S) s.t. every element...
Isabelle Fagnot, Guillaume Fertin, Stéphane...