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CONSTRAINTS
2006
115views more  CONSTRAINTS 2006»
13 years 4 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...
ANOR
2002
128views more  ANOR 2002»
13 years 4 months ago
Crew Assignment via Constraint Programming: Integrating Column Generation and Heuristic Tree Search
The Airline Crew Assignment Problem (ACA) consists of assigning lines of work to a set of crew members such that a set of activities is partitioned and the costs for that assignmen...
Meinolf Sellmann, Kyriakos Zervoudakis, Panagiotis...
EVOW
2008
Springer
13 years 6 months ago
A Hybrid Column Generation Approach for the Berth Allocation Problem
Abstract. The Berth Allocation Problem (BAP) consists on programming and allocating ships to berthing areas along a quay. The BAP is modeled as a vehicle routing problem and a rece...
Geraldo R. Mauri, Alexandre C. M. Oliveira, Luiz A...
CPAIOR
2006
Springer
13 years 8 months ago
A Hybrid Column Generation and Constraint Programming Optimizer for the Tail Assignment Problem
Tail Assignment is the problem of assigning flight legs to aircraft while satisfying all operational constraints, and optimizing some objective function. In this article, we presen...
Sami Gabteni, Mattias Grönkvist
ENDM
2010
167views more  ENDM 2010»
13 years 1 months ago
Column Generation based Primal Heuristics
In the past decade, significant progress has been achieved in developing generic primal heuristics that made their way into commercial mixed integer programming (MIP) solver. Exte...
C. Joncour, S. Michel, R. Sadykov, D. Sverdlov, Fr...