Axe 2 : Aide à la décision prise dans les systèmes complexes

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In the <i>Maximum Cardinality Bin Packing Problem</i>, we are given <i>m</i> bins of capacity <i>c</i> and <i>n</i> items of weights <i>w<sub>i</sub></i> (...

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This article reviews ten of the most important tabu search heuristics for the vehicle routing problem. Some of the main tabu search features are first desc...

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The paper considers a channel of distribution consisting of a single manufacturer and retailer. The manufacturer advertises in national media, to build up t...

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The purpose of this article is to describe several applications of the Clustered Traveling Salesman Problem arising in areas as diverse as vehicle routing, ...

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A survey is made of computer systems which help to obtain and sometimes provide automatically proofs, conjectures and refutations in graph theory.

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This paper investigates several questions related to the location of facilities in multi-storey buildings in the presence of lifts. Where should facilities ...

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In this paper we introduce a new formulation of the logistics network design problem encountered in deterministic, single-country, single-period contexts. O...

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This paper investigates a new variation in the continuous single facility location problem. Specifically, we address the problem of locating a new facility...

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We study various uniform <i>k</i>-partition problems which consist in partitioning <i>m</i> sets, each of cardinality <i>k</i>, into <i>k</i> sets of cardin...

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Rotating work schedules are encountered in several industries and public sector organizations where work is carried out 24 hours a day, seven days a week. ...

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We survey computers systems which help to obtain and sometimes provide automatically conjectures and refutations in algebraic graph theory.

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This paper contains a new convergence analysis for the Lewis and Torczon GPS class of pattern search methods for linearly constrained optimization. The ana...

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A generalization of the Roy-Gallai theorem on the chromatic number of a graph is derived which is also an extension of several other results of Berge and of...

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We give characterizations of integral graphs in the family of complete split graphs and a few related families of graphs.

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Variable neighborhood search (VNS) is a recent metaheuristic for solving combinatorial and global optimization problems whose basic idea is systematic chang...

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This article traces the evolution of ambulance location and relocation models proposed over the past thirty years. The models are classified in two main ca...

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This paper introduces a new kind of operational crew scheduling problem which consists in simultaneously modifying, as necessary, the existing flight depart...

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This paper deals with dispatching systems in open-pit mines. It illustrates the different strategies that exist for solving the dispatching problem and ana...

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This paper presents a multi-commodity network design approach to solve the problem of simultaneously locating I/O stations and determining the orientation o...

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Although airlines plan aircraft routes and crew schedules in advance, perturbations occur everyday. As a result, flight schedules may become infeasible and ...

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