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- Abir Henchiri, Monia Bellalouna, Walid Khasnaji
- 2014

The Probabilistic Traveling Salesman Problem (PTSP) is a variation of the classic Traveling Salesman Problem (TSP) in which only a subset of potential nodes needs to be visited on any given instance of the problem. The number of nodes to be visited each time is a random variable. The objective is to find an a priori tour which minimizes the expected… (More)

- Monia Bellalouna, Afef Ghabri
- 2013 World Congress on Computer and Information…
- 2013

The wireless sensor networks (WSN) represent a very promising domain. They can be used in a large variety of applications due to their easy deployment and their low cost of construction. These networks are composed of plenty of sensor nodes that are deployed in the monitoring field, and they form a multihop self-configured network by means of wireless… (More)

- Zied Bouyahia, Monia Bellalouna, Patrick Jaillet, Khaled Ghédira
- Computers & Industrial Engineering
- 2010

We address the probabilistic generalization of weighted flow time on parallel machines. We present some results for situations which ask for ‘‘long-term robust” schedules of n jobs (tasks) on m parallel machines (processors): on any given day, only a random subset of jobs needs to be processed. The goal is to design robust a priori schedules (before we know… (More)

- Abir Henchiri, Monia Bellalouna, Walid Khaznaji
- FedCSIS Position Papers
- 2014

In the probabilistic two-dimensional Bin Packing problem (2D-PBPP), one is asked to pack a random number of rectangular items, without overlap and any rotation, into the minimum number of identical square bins. In this paper we consider the re-optimization procedure used for solving probabilistic combinatorial optimization problems and an approximation of… (More)

- Zied Bouyahia, Monia Bellalouna, Khaled Ghédira
- Computers & Industrial Engineering
- 2013

The Probabilistic Traveling Salesman Problem is in general NP-Hard, the objective of this paper is to look for particular cases which can be solved in an easy way. First we give the relation between the two problems deterministic and probabilistic. Second, we study the stability of the deterministic problem. We prove that in the small traveling salesman… (More)

- Afef Ghabri, Monia Bellalouna
- 2015 IEEE/ACIS 16th International Conference on…
- 2015

The wireless sensor networks are considered as a new technology that has appeared due to technological advances in the field of development of powerful processors, wireless communication protocols and smart sensors. Because of their sensitivity, several research projects have been conducted for the purpose of finding solutions to wireless sensor networks in… (More)