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4OR
2008
96views more  4OR 2008»
13 years 9 months ago
A column generation approach to train timetabling on a corridor
We propose heuristic and exact algorithms for the (periodic and non-periodic) train timetabling problem on a corridor that are based on the solution of the LP relaxation of an ILP...
Valentina Cacchiani, Alberto Caprara, Paolo Toth
PATAT
2004
Springer
135views Education» more  PATAT 2004»
14 years 2 months ago
A Column Generation Scheme for Faculty Timetabling
In this paper we deal with the problem of building a timetable for the courses of a university faculty. We propose an integer linear programming approach based on column generation...
Andrea Qualizza, Paolo Serafini
ATMOS
2010
163views Optimization» more  ATMOS 2010»
13 years 8 months ago
Railway Track Allocation by Rapid Branching
The track allocation problem, also known as train routing problem or train timetabling problem, is to find a conflict-free set of train routes of maximum value in a railway netw...
Ralf Borndörfer, Thomas Schlechte, Steffen We...
CPAIOR
2005
Springer
14 years 2 months ago
Constraint Programming Based Column Generation for Employee Timetabling
The Employee Timetabling Problem (ETP) is a general class of problems widely encountered in service organizations (such as call centers for instance). Given a set of activities, a ...
Sophie Demassey, Gilles Pesant, Louis-Martin Rouss...
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...