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Issmaïl El HallaouiDepartment of Mathematics and Industrial Engineering
Profile in the Directory of Experts of Polytechnique Montréal
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Er Raqabi, E. M., Wu, Y., El Hallaoui, I., & Soumis, F. (2024). Towards resilience: Primal large-scale re-optimization. Transportation Research Part E: Logistics and Transportation Review, 192, 103819. External link
Amiri, E., Legrain, A., & El Hallaoui, I. (2024). Accelerated column generation: Application in real-time dial-a-ride problem. (Technical Report n° G-2024-72). External link
Siwane, O., Pellerin, R., & El Hallaoui, I. (2024, August). New visual resource-oriented margins for the Resource Constrained Project Scheduling Problem [Paper]. 18th IFAC Symposium on Information Control Problems in Manufacturing (INCOM 2024), Vienna, Austria. External link
Barry, A.-S., Quesnel, F., El Hallaoui, I., & Soumis, F. (2024). Algorithme primal ajoutant des variables pour le problème du partitionnement d'ensemble généralisé. (Technical Report n° G-2024-11). External link
Bani, A., Er Raqabi, E. M., El Hallaoui, I., & Corréa, A. I. (2024). Combining benders decomposition and column generation for the petrol station replenishment problem with inventory management. (Technical Report n° G-2024-18). External link
Er Raqabi, E. M., Bani, A., Morabit, M., Blondin Massé, A., Besner, A., Fournier, J., & El Hallaoui, I. (2024). An efficient decomposition matheuristic for the transient stability constrained unit commitment at Hydro-Quebec. (Technical Report n° G-2024-38). External link
Rather, B. A., Aouchiche, M., Imran, M., & El Hallaoui, I. (2024). On distance Laplacian spectral ordering of some graphs. Journal of Applied Mathematics and Computing, 70, 867-892. External link
Amiri, E., Legrain, A., & El Hallaoui, I. (2024, May). Online Optimization of a Dial-a-Ride Problem with the Integral Primal Simplex [Paper]. 21st International Conference on Integration of Constraint Programming, Artificial Intelligence and Operations Research (CPAIOR 2024), Uppsala, Sweden (16 pages). External link
Bani, A., Er Raqabi, E. M., El Hallaoui, I., & Corréa, A. I. (2024). The petrol replenishment problem : a case study from West Africa. (Technical Report n° G-2024-19). External link
Abdellaoui, A., Benabbou, L., & El Hallaoui, I. (2024). Towards a connection between the capacitated vehicle routing problem and the constrained centroid-based clustering. (Technical Report n° G-2024-24). External link
Aziz, M., Dagdougui, H., & El Hallaoui, I. (2023). Computational investigation of residential users through load aggregator smart grid power optimization problem via mean field game theory. (Technical Report n° G-2023-56). External link
Barhdadi, M., Benyacoub, B., Ouzineb, M., & El Hallaoui, I. (2023). An efficient algorithm to solve credit scoring problem. (Technical Report n° G-2023-33). External link
Aziz, M., Dagdougui, H., & El Hallaoui, I. (2023). Game Theoretical Formulation for Residential Community Microgrid Via Mean Field Theory: Proof of Concept. IEEE Control Systems Letters, 6 pages. External link
El Mehdi, E. R., Ilyas, H., El Hachemi, N., El Hallaoui, I., & Soumis, F. (2023). Incremental LNS framework for integrated production, inventory, and vessel scheduling: Application to a global supply chain. Omega-International Journal of Management Science, 116, 102821 (18 pages). External link
Ouzineb, M., El Hallaoui, I., & Gendreau, M. (2023). Integer linear programming for a constant demand in redundancy allocation multistate series-parallel problem. (Technical Report n° G-2023-32). External link
Himmich, I., Er Raqabi, E. M., El Hachemi, N., El Hallaoui, I., Metrane, A., & Soumis, F. (2023). MPILS: An Automatic Tuner for MILP Solvers. Computers & Operations Research, 159, 106344 (18 pages). External link
Himmich, I., El Hallaoui, I., & Soumis, F. (2023). A multiphase dynamic programming algorithm for the shortest path problem with resource constraints. European Journal of Operational Research, 14 pages. External link
Er Raqabi, E. M., Beljadid, A., Bennouna, M. A., Bennouna, R., Boussaadi, L., El Hachemi, N., El Hallaoui, I., Fender, M., Jamali, M. A., Si Hammou, N., & Soumis, F. (2023). OCP optimized its supply chain for Africa. (Technical Report n° G-2023-29). External link
Hassani, R., Desaulniers, G., & El Hallaoui, I. (2023). A parallel ruin and recreate heuristic for personnel scheduling in a flexible working environment. Journal of Scheduling, 18 pages. External link
Bani, A., El Hallaoui, I., Correa, A. I., & Tahir, A. (2023). Solving a real-world multi-depot multi-period petrol replenishment problem with complex loading constraints. European Journal of Operational Research, 311(1), 154-172. External link
Er Raqabi, E. M., Wu, Y., El Hallaoui, I., & Soumis, F. (2023). Towards resilience: Primal large-scale re-optimization. (Technical Report n° G-2023-28). External link
Himmich, I., Er Raqabi, E. M., El Hachemi, N., El Hallaoui, I., Metrane, A., & Soumis, F. (2022). MPILS: an automatic tuner for MILP solvers. (Technical Report n° 2022-53). External link
Aziz, M., Dagdougui, H., & El Hallaoui, I. (2022). A Decentralized Game Theoretic Approach for Virtual Storage System Aggregation in a Residential Community. IEEE Access, 10, 34846-34857. External link
Foutlane, O., El Hallaoui, I., & Hansen, P. (2022). Distributed Integral Column Generation for Set Partitioning Problems. Operations Research Forum, 3(2), 22 pages. External link
Tahir, A., Desaulniers, G., & El Hallaoui, I. (2022). Integral column generation for set partitioning problems with side constraints. INFORMS Journal on Computing, 34(4), 2313-2331. External link
Aouchiche, M., & El Hallaoui, I. (2022). Minimum values of the second largest Q-eigenvalue. Discrete Applied Mathematics, 306, 46-51. External link
Tahir, A., Quesnel, F., Desaulniers, G., El Hallaoui, I., & Yaakoubi, Y. (2021). An Improved Integral Column Generation Algorithm Using Machine Learning for Aircrew Pairing. Transportation Science, 55(6), 1411-1429. External link
Er-Rbib, S., Desaulniers, G., El Hallaoui, I., & Bani, A. (2021). Integrated and sequential solution methods for the cyclic bus driver rostering problem. Journal of the Operational Research Society, 72(4), 764-779. External link
Aouchiche, M., Rather, B. A., & El Hallaoui, I. (2021). On the gersgorin disks of distance matrices of graphs. Electronic Journal of Linear Algebra, 37, 709-717. External link
Hassani, R., Desaulniers, G., & El Hallaoui, I. (2021). Real-time bi-objective personnel re-scheduling in the retail industry. European Journal of Operational Research, 293(1), 93-108. External link
Belhaiza, S., Baroudi, U., & El Hallaoui, I. (2020). A Game Theoretic Model for the Multiperiodic Smart Grid Demand Response Problem. IEEE Systems Journal, 14(1), 1147-1158. External link
Aouchiche, M., El Hallaoui, I., & Hansen, P. (2020). Geometric-Arithmetic Index and Minimum Degree of Connected Graphs. Match-Communications in Mathematical and in Computer Chemistry, 83(1), 179-188. External link
Zaghrouti, A., El Hallaoui, I., & Soumis, F. (2020). Improving set partitioning problem solutions by zooming around an improving direction. Annals of Operations Research, 284(2), 645-671. External link
Ghosal, S. S., Sarkar, I., & El Hallaoui, I. (2020, February). Lung nodule classification using Convolutional Autoencoder and Clustering Augmented Learning Method (CALM) [Paper]. ACM WSDM Health Search and Data Mining Workshop (HSDM 2020), Houston, TX, USA. External link
Himmich, I., Ben Amor, H., El Hallaoui, I., & Soumis, F. (2020). A Primal Adjacency-Based Algorithm for the Shortest Path Problem with Resource Constraints. Transportation Science, 54(5), 1153-1169. External link
Himmich, I., El Hallaoui, I., & Soumis, F. (2020). Primal column generation framework for vehicle and crew scheduling problems. Networks, 75(3), 291-309. External link
Hassani, R., Desaulniers, G., & El Hallaoui, I. (2020). Real-time personnel re-scheduling after a minor disruption in the retail industry. Computers and Operations Research, 120, 14 pages. External link
Messaoudi, M., El Hallaoui, I., Rousseau, L.-M., & Tahir, A. (2020, May). Solving a real-world multi-attribute vrp using a primal-based approach [Paper]. 6th International Symposium on Combinatorial Optimization (ISCO 2020), Montréal, Québec. External link
Ghosal, S. S., Bani, A., Amrouss, A., & El Hallaoui, I. (2019, November). A Deep Learning Approach to Predict Parking Occupancy using Cluster Augmented Learning Method [Paper]. International Conference on Data Mining Workshops (ICDMW 2019), Beijing, China. External link
Tahir, A., Desaulniers, G., & El Hallaoui, I. (2019). Integral column generation for the set partitioning problem. EURO Journal on Transportation and Logistics, 8(5), 713-744. External link
Foutlane, O., El Hallaoui, I., & Hansen, P. (2019). Integral Simplex Using Double Decomposition for Set Partitioning Problems. Computers and Operations Research, 111, 243-257. External link
Remli, N., Amrouss, A., El Hallaoui, I., & Rekik, M. (2019). A robust optimization approach for the winner determination problem with uncertainty on shipment volumes and carriers' capacity. Transportation Research Part B: Methodological, 123, 127-148. External link
Zaghrouti, A., El Hallaoui, I., & Soumis, F. (2018). Improved integral simplex using decomposition for the set partitioning problem. EURO Journal on Computational Optimization, 6(2), 185-206. External link
Ouzineb, M., Mhada, F. Z., Pellerin, R., & El Hallaoui, I. (2018). Optimal planning of buffer sizes and inspection station positions. Production & Manufacturing Research, 6(1), 90-112. External link
Bouarab, H., El Hallaoui, I., Metrane, A., & Soumis, F. (2017). Dynamic constraint and variable aggregation in column generation. European Journal of Operational Research, 262(3), 835-850. External link
Rosat, S., Quesnel, F., El Hallaoui, I., & Soumis, F. (2017). Dynamic penalization of fractional directions in the integral simplex using decomposition: Application to aircrew scheduling. European Journal of Operational Research, 263(3), 1007-1018. External link
Rosat, S., El Hallaoui, I., Soumis, F., & Chakour, D. (2017). Influence of the normalization constraint on the integral simplex using decomposition. Discrete Applied Mathematics, 217, 53-70. External link
Rosat, S., El Hallaoui, I., Soumis, F., & Lodi, A. (2017). Integral simplex using decomposition with primal cutting planes. Mathematical Programming, 166(1-2), 327-367. External link
Mhada, F. Z., Ouzineb, M., Pellerin, R., & El Hallaoui, I. (2016). Multilevel hybrid method for optimal buffer sizing and inspection stations positioning. SpringerPlus, 5(1), 1-21. Available
Rosat, S., Quesnel, F., Soumis, F., & El Hallaoui, I. (2016, February). Pénaliser les directions fractionnaires dans le simplexe en nombres entiers. Application au transport aérien [Paper]. 17e Congrès de la Société française de recherche opérationnelle et d'aide à la décision (ROADEF 2016), Compiègne, France. Unavailable
El Hachemi, N., El Hallaoui, I., Gendreau, M., & Rousseau, L.-M. (2015). Flow-based integer linear programs to solve the weekly log-truck scheduling problem. Annals of Operations Research, 232(1), 87-97. External link
Rosat, S., El Hallaoui, I., Soumis, F., & Lodi, A. (2015, June). Integral simplex using decomposition with primal cutting planes [Poster]. Mixed Integer Programming Workshop, Chicago, IL. Unavailable
Ouzineb, M., Mhada, F.-Z., Pellerin, R., & El Hallaoui, I. (2014, September). A Hybrid Method for Solving Buffer Sizing and Inspection Stations Allocation [Paper]. IFIP International Conference on Advances in Production Management Systems (APMS 2014), Ajaccio, France. External link
Zaghrouti, Z., Soumis, F., & El Hallaoui, I. (2014). Integral simplex using decomposition for the set partitioning problem. Operations Research, 62(2), 435-449. External link
Rosat, I., El Hallaoui, I., Soumis, F., & Lodi, A. (2014, June). Integral simplex using decomposition with primal cuts [Paper]. 13th International Symposium on Experimental Algorithms (SEA 2014), Copenhagen, Denmark. External link
Ouzineb, M., Mhada, F., & El Hallaoui, I. (2013). Buffer dimensioning and control stations positioning with a space partitioning-tabu search approach. INFOR, 51(1), 15-22. External link
Ouzineb, M., Mhada, F., El Hallaoui, I., & Pellerin, R. (2013, October). An exact method for solving the buffer sizing and inspection stations allocations problem [Paper]. International Conference on Industrial Engineering and Systems Management (IESM 2013), Rabat, Maroc. External link
El Hachemi, N., Saddoune, M., El Hallaoui, I., & Rousseau, L.-M. (2013, October). Production scheduling and routing problem in textile industry [Paper]. International Conference on Industrial Engineering and Systems Management (IESM 2013), Rabat, Maroc. External link
Mhada, F., Ouzineb, M., & El Hallaoui, I. (2012, October). An efficient heuristic forbuffer sizing and inspection stations allocation [Paper]. 1st IEEE International Conference on Logistics and Operations Management, Le Havre, France. Unavailable
Saddoune, M., Desaulniers, G., El Hallaoui, I., & Soumis, F. (2012). Integrated airline crew pairing and crew assignment by dynamic constraint aggregation. Transportation Science, 46(1), 39-55. External link
El Hallaoui, I., Metrane, A., Desaulniers, G., & Soumis, F. (2011). An Improved Primal Simplex Algorithm for Degenerate Linear Programs. INFORMS Journal on Computing, 23(4), 569-577. External link
Saddoune, M., Desaulniers, G., El Hallaoui, I., & Soumis, F. (2011). Integrated airline crew scheduling: A bi-dynamic constraint aggregation method using neighborhoods. European Journal of Operational Research, 212(3), 445-454. External link
Boubaker, K., Desaulniers, G., & El Hallaoui, I. (2010). Bidline scheduling with equity by heuristic dynamic constraint aggregation. Transportation Research. Part B, Methodological, 44(1), 50-61. External link
Metrane, A., Soumis, F., & El Hallaoui, I. (2010). Column generation decomposition with the degenerate constraints in the subproblem. European Journal of Operational Research, 207(1), 37-44. External link
Soumis, F., Saddoune, M., El Hallaoui, I., & Desaulniers, G. (2010, June). Crew pairing and assignment problem solved with dynamic constraint aggregation [Paper]. 7th Triennial Symposium on Transportation Analysis (TRISTAN 2010), Tromso, Norway. Unavailable
El Hallaoui, I., Metrane, A., Soumis, F., & Desaulniers, G. (2010). Multi-phase dynamic constraint aggregation for set partitioning type problems. Mathematical Programming, 123(2), 345-370. External link
EL Hachemi, N., El Hallaoui, I., Gendreau, M., & Rousseau, L.-M. (2010, June). Solving the weekly log-truck scheduling problem by integer programming [Paper]. 7th Triennial Symposium on Transportation Analysis (TRISTAN 2010), Tromso, Norway. External link
Soumis, F., Saddoune, M., El Hallaoui, I., & Desaulniers, G. (2009, August). Simultaneous optimization of crew pairing and rostering [Paper]. AGIFORS 2009, Las Vegas, USA. Unavailable
El Hallaoui, I., Desaulniers, G., Metrane, A., & Soumis, F. (2008). Bi-dynamic constraint aggregation and subproblem reduction. Computers & Operations Research, 35(5), 1713-1724. External link
El Hallaoui, I. (2006). Agrégation dynamique des contraintes de partitionnement en génération de colonnes [Ph.D. thesis, École Polytechnique de Montréal]. Unavailable
El Hallaoui, I., Villeneuve, D., Soumis, F., & Desaulniers, G. (2005). Dynamic aggregation of set-partitioning constraints in column generation. Operations Research, 53(4), 632-645. External link
