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COR
2008
62views more  COR 2008»
13 years 11 months ago
Meta-heuristics for stable scheduling on a single machine
Francisco Ballestín, Roel Leus
COR
2008
111views more  COR 2008»
13 years 11 months ago
An optimization algorithm for the inventory routing problem with continuous moves
The typical inventory routing problem deals with the repeated distribution of a single product from a single facility with an unlimited supply to a set of customers that can all b...
Martin W. P. Savelsbergh, Jin-Hwa Song
COR
2008
105views more  COR 2008»
13 years 11 months ago
Minimizing the object dimensions in circle and sphere packing problems
Given a fixed set of identical or different-sized circular items, the problem we deal with consists on finding the smallest object within which the items can be packed. Circular, ...
Ernesto G. Birgin, F. N. C. Sobral
COR
2008
54views more  COR 2008»
13 years 11 months ago
Reactive GRASP for the strip-packing problem
Ramón Alvarez-Valdés, Francisco Parr...
COR
2008
88views more  COR 2008»
13 years 11 months ago
Solving the swath segment selection problem through Lagrangean relaxation
The Swath Segment Selection Problem (SSSP) is an NP-hard combinatorial optimization problem arising in the context of planning and scheduling satellite operations. It was defined ...
Roberto Cordone, Federico Gandellini, Giovanni Rig...
COR
2008
99views more  COR 2008»
13 years 11 months ago
Repairing MIP infeasibility through local branching
Finding a feasible solution to a generic Mixed-Integer Program (MIP) is often a very difficult task. Recently, two heuristic approaches called Feasibility Pump and Local Branching...
Matteo Fischetti, Andrea Lodi
COR
2008
92views more  COR 2008»
13 years 11 months ago
Lagrangean relaxation with clusters for point-feature cartographic label placement problems
This paper presents two new mathematical formulations for the Point-Feature Cartographic Label Placement Problem (PFCLP ) and a new Lagrangean relaxation with clusters (LagClus) t...
Glaydston Mattos Ribeiro, Luiz Antonio Nogueira Lo...
COR
2008
96views more  COR 2008»
13 years 11 months ago
Discrete models for competitive location with foresight
We adapt the competitive location model based on maximal covering to include the knowledge that a competitor will enter the market later with a single new facility. The objective ...
Frank Plastria, Lieselot Vanhaverbeke
COR
2008
88views more  COR 2008»
13 years 11 months ago
Lagrangian bounds for just-in-time job-shop scheduling
Philippe Baptiste, Marta Flamini, Francis Sourd