Brigitte Jaumard

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Cahiers du GERAD

164 results — page 1 of 9

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We propose a new large scale optimization model, named TS_LAP, for the locomotive assignment problem (LAP), which relies on train strings or consist travel p...

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In grid or cloud computing, the optimal location and capacity of data centers (hosting the servers executing the remote users' tasks) depends on the availabl...

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This paper discusses a unique formulation of en-route flight planning problem in a constrained airspace with the objective of minimizing the total cost while...

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Increase of bandwidth demand in data networks, driven by the continuous growth of the Internet and the increase of bandwidth greedy applications, raise the i...

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Avoiding or preventing deadlocks in simulation tools for train scheduling remains a critical issue, especially when combined with the objective of minimizing...

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Optical networks, given their excellent characteristics in terms of high bandwidth and low latency, play a crucial role in enabling today's applications that...

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We propose a new dynamic row/column management algorithm for the schedule of freight trains in a single/double track railway system. While many works have al...

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Shared-segment protection offers a good compromise between shared link and path protection. In this paper, we further investigate segment protection with res...

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We study the optimisation of a biomass waste to energy conversion system using an adapted Tabu Search heuristic. It corresponds to a non-linear and non-conv...

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Survivability in IP-over-WDM networks has already been extensively discussed in a series of studies. While many studies assume an IP restoration scheme and f...

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We determine the threshold herd size at which a biomass waste to energy conversion system becomes commercially viable. The threshold herd size is found by ...

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In this paper we address the problem of dimensioning infrastructure, comprising both network and server resources, for large-scale decentralized distributed...

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<p> <i>p</i>-Cycles have been extensively studied under a single link failure scenario. Even though not as common, single node failures may occur as well,...

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In IP-over-WDM networks, protection can be offered at the optical layer or at the IP layer. Today, it is well acknowledged that synergies need to be develope...

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The focus of the paper is on adequate service and content distribution with Dedicated Channels having a Small number of Viewers (DCSV for short) in a multi-c...

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We propose a new generic flow formulation for Failure-Independent Path-Protecting (FIPP) <i>p</i>-cycles subject to multiple failures. While our new model re...

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With the growing popularity of bandwidth demanding services such as HDTV, VoD, and video conferencing applications, there is an increasing demand on broadb...

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The traffic evolution is notoriously marked by an increasing dynamism that promotes the design of a dynamic optical layer. Despite the contention issue, Opti...

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This work introduces a new shared segment protection scheme that ensures both node and link protection in an efficient manner in terms of cost and band...

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We consider a multi-layer network design model arising from a real-life telecommunication application where traffic routing decisions imply the installati...

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