Maryam Daryalal

Maryam Daryalal
HEC Montréal - École des Hautes Études commerciales | HEC Montreal

About

9
Publications
380
Reads
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35
Citations

Publications

Publications (9)
Article
In a telecommunication network, routing and wavelength assignment (RWA) is the problem of finding lightpaths for incoming connection requests. When facing a dynamic traffic, greedy assignment of lightpaths to incoming requests based on predefined deterministic policies leads to a fragmented network that cannot make use of its full capacity because...
Preprint
Full-text available
Telecommunication networks frequently face technological advancements and need to upgrade their infrastructure. Adapting legacy networks to the latest technology requires synchronized technicians responsible for migrating the equipment. The goal of the network migration problem is to find an optimal plan for this process. This is a defining step in...
Preprint
Multistage stochastic programs can be approximated by restricting policies to follow decision rules. Directly applying this idea to problems with integer decisions is difficult because of the need for decision rules that lead to integral decisions. In this work, we introduce Lagrangian dual decision rules (LDDRs) for multistage stochastic mixed int...
Article
While the routing and wavelength assign- ment (RWA) has been widely studied, a very few studies attempt to solve realistic size instances, namely, with 100 wavelengths per fiber and a few hundred nodes. Indeed, state of the art is closer to around 20 nodes and 30 wavelengths, regardless of what the authors consider, heuristics or exact methods with...
Thesis
While the Routing and Wavelength Assignment (RWA) problem has been widely studied, very few studies attempt to solve realistic size instances, namely, with 100 wavelengths per fiber and a few hundred nodes. Indeed, state of the art is closer to around 20 nodes and 30 wavelengths. In this study, we are interested in reducing the gap between realisti...
Conference Paper
Full-text available
We present a reasoning architecture for deciding subsumption for the description logic ELQ. Our architecture combines saturation rules with algebraic reasoning based on Integer Linear Programming (ILP). Deciding the so-called numerical satisfiability of a set of qualified cardinality restrictions is reduced to constructing a corresponding system of...

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