Amiri, E., Legrain, A., & El Hallaoui, I. (2026, May). Accelerated column generation: application in online dial-a-ride problem [Abstract]. Journées de l'Optimisation 2026 (JOPT 2026), Montréal, Québec, Canada.
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Legrain, Antoine
Directory of Experts
Legrain, Antoine
Directory of Experts
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Journal article (19)
Conference paper (83)
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Antoine Legrain (124)
- 2026 (18)
Conference paper Conference paper Pinçon, C., Lahrichi, N., & Legrain, A. (2026, May). A fix-and-optimize approach to preemptive scheduling in audit firms [Abstract]. Journées de l'Optimisation 2026 (JOPT 2026), Montréal, Québec, Canada.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2026, May). Anytime optimization approach for dynamic DARP [Abstract]. Journées de l'Optimisation 2026 (JOPT 2026), Montréal, Québec, Canada.Journal article Fischer, V., Legrain, A., Munroe, P., & Schindl, D. (2026). Decomposition method for a capacitated single-vehicle covering tour problem with intermediate facilities. Computers & Operations Research, 196, 107683 (14 pages).Conference paper Bourgeat, M., Legrain, A., & Cappart, Q. (2026, May). Imitation-Guided World Models for Multi-agent Train Rescheduling [Paper]. 23rd International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR 2026), Rabat, Morocco. Published in Lecture notes in computer science, 16595.Conference paper Bourgeat, M., Cappart, Q., & Legrain, A. (2026, May). Injection séquentielle de contraintes pour l'apprentissage par renforcement contraint multi-agents avec modèles du monde appliqué aux opérations ferroviaires [Abstract]. Journées de l'Optimisation 2026 (JOPT 2026), Montréal, Québec, Canada.Conference paper Pinçon, C., Lahrichi, N., & Legrain, A. (2026, July). Integrated scheduling and perishable inventory for chemotherapy drug preparation under cancellation uncertainty [Abstract]. 52nd annual meeting of the EURO Working Group on Operational Research Applied to Health Services (ORAHS 2026), Belfast, Northern Ireland.Dataset Amiri, E., Legrain, A., & El Hallaoui, I. (2026). Manhattan dial-a-ride benchmark dataset with NYC TLC taxi trips, 2015–2016 [Dataset].Journal article Kolcheva, L., Legrain, A., & Trépanier, M. (2026). Network-wide transfer synchronization strategies in a public bus system with real-time AVL and smart card data. [Presentation]. Public Transport. Presented at 16th International Conference on Advanced Systems in Public Transport (CASPT2025), Kyoto, Japan.Journal article Gawas, P., Legrain, A., & Rousseau, L.-M. (2026). Notification timing for on-demand personnel scheduling. Computers & Operations Research, 107611.Conference paper Caye, F., & Legrain, A. (2026, May). Nurse scheduling with embedded flexibility [Abstract]. Journées de l'Optimisation 2026 (JOPT 2026), Montréal, Québec, Canada.Journal article Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2026). Optimizing diverse stakeholders' objectives in a real-time multimodal mobility hub system. Journal of Public Transportation, 28, 100147 (15 pages). Presented at 16th International Conference on Advanced Systems in Public Transport (CASPT 2025), Kyoto, Japan.Report Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2026). Optimizing multimodal mobility hub systems with user preference modeling. (Report n° G-2026-48).Dataset Riley, C., Legrain, A., Van Hentenryck, P., & Amiri, E. (2026). Real-time ride-sharing operations - NYC TLC sub Dataset 2015-2016 [Dataset].Conference paper Pinçon, C., Lahrichi, N., & Legrain, A. (2026, June). Scheduling of chemotherapy drugs preparation : an approximation approach [Abstract]. 2026 SIAM Conference on Optimization (OP26), Edinburgh, United Kingdom.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2026, February). Synchronisation en temps réel des correspondances de réseaux de transports publics [Abstract]. 27ème congrès annuel de la Société Française de Recherche Opérationnelle et d'Aide à la Décision (ROADEF 2026), Tours, France (2 pages).Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2026, July). The imitation game: imitation learning for dynamic decisions under uncertainty [Abstract]. 24th Conference of the International Federation of Operational Research Societies (IFORS 2026), Vienna, Austria.Conference paper Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2026, July). User-oriented cumulative vehicle routing: a column generation approach with enhanced labeling [Abstract]. 24th Conference of the International Federation of Operational Research Societies (IFORS 2026), Vienna, Austria.
- 2025 (25)
Conference paper Legrain, A., Rousseau, L.-M., & Gawas, P. (2025, March). An imitation-based learning approach using DAgger for the casual employee call timing problem [Abstract]. 18th Conference INFORMS Computing Society (ICS 2025), Toronto, Ontario, Canada.Conference paper Legrain, A., Amiri, E., & El Hallaoui, I. (2025, June). Anytime optimization approach for dynamic dial-a-ride problem [Abstract]. 66th annual conference Canadian Operational Research Society conference (CORS 2025), Edmonton, Alberta, Canada.Conference paper Legrain, A., Amiri, E., & El Hallaoui, I. (2025, March). Anytime optimization approach for dynamic dial-a-ride problem [Abstract]. 18th Conference INFORMS Computing Society (ICS 2025), Toronto, Ontario, Canada.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2025, May). Anytime optimization approach for dynamic dial-a-ride problem [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Conference paper Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2025, June). A real-time multi-modal transport system: balancing perspectives on users, operators, sustainability, and system-wide efficiency [Abstract]. 16th International Conference on Advanced Systems in Public Transport (CASPT2025), Kyoto, Japan.Journal article Garroussi, Z., Legrain, A., Gambs, S., Gautrais, V., & Sanso, B. (2025). A systematic review of data privacy in mobility as a service (MaaS). Transportation Research Interdisciplinary Perspectives, 31, 101254 (12 pages).Conference paper Abajian, M., Lahrichi, N., Legrain, A., & Lachapelle, L.-A. (2025, May). 2bin inventory optimization considering space constraint [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Dataset Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2025). Dataset: Real-Time Multimodal Mobility Hub System [Dataset].Conference paper Bernard, A., Legrain, A., Ben Attia, M., & Shabah, A. (2025, October). Distributed Resource Allocation and Application Deployment in Mesh Edge Networks [Paper]. 21th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2025), Marrakesh, Morocco.Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2025, May). Expert based learning for sequential decision making [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2025, June). Expert imitation for sequential decision making [Abstract]. 34th European Conference on Operational Research (EURO 2025), Leeds, United Kingdom.Report Roy-Baillargeon, O., Tremblay-Racicot, F., & Legrain, A. (2025). Harmoniser la gouvernance de la mobilité servicielle : trois clés pour passer de la compétition à la collaboration. (Report).Conference paper Caye, F., & Legrain, A. (2025, June). Integrating flexibility in nurse scheduling [Abstract]. 34th European Conference on Operational Research (EURO 2025), Leeds, United Kingdom.Conference paper Kolcheva, L., Trépanier, M., & Legrain, A. (2025, May). Network-wide transfer synchronization strategies in a public bus system with real-time [Abstract]. 60th Annual Conference of the Canadian Transportation Research Forum (CTRF 2025), Ottawa, Ontario, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2025, May). Network-wide transfer synchronization strategies in a public bus system with real-time data [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Conference paper Caye, F., & Legrain, A. (2025, May). Nurse scheduling with built-in flexibility [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2025, June). Online stochastic optimization for real-time transfer synchronization in public transit networks [Presentation]. In 12th Triennial Symposium on Transportation Analysis conference (TRISTAN XII), Okinawa, Japan (4 pages).Conference paper Ricaux, V., Legrain, A., & Lesage-Landry, A. (2025, July). On the Clique Decomposition Impact to the Optimal Power Flow Semidefinite Relaxation Solve Time [Paper]. Power & Energy Society General Meeting (PESGM 2025), Austin, TX, USA (5 pages).Conference paper Pinçon, C., Lahrichi, N., & Legrain, A. (2025, June). Optimizing chemotherapy drug production: a multi-objective scheduling approach [Abstract]. 34th European Conference on Operational Research (EURO 2025), Leeds, United Kingdom.Report Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2025). Optimizing stakeholders' objectives in a real-time multimodal mobility hub system. (Technical Report n° G-2025-66).Conference paper Sadat Asl, A. A., Delmaire, H., Legrain, A., & Soumis, F. (2025, May). Reducing emissions in a multimodal mobility hub system: the effect of electrification [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Conference paper Bourgeat, M., Cappart, Q., & Legrain, A. (2025, May). Reinforcement and imitation learning for real-time train trajectory re-optimization [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Conference paper Pinçon, C., Legrain, A., & Lahrichi, N. (2025, May). Scheduling chemotherapy drug preparation: minimizing delays and costs in hospital pharmacies [Abstract]. Journées de l'Optimisation 2025 (JOPT 2025), Montréal, Québec, Canada.Report Audet, C., Gervais-Dubé, M., Hertz, A., Le Digabel, S., & Legrain, A. (2025). Scheduling ISMP 2024. (Technical Report n° G-2025-35).Conference paper Legrain, A. (2025, June). The hub transportation problem with chance constrained due dates [Abstract]. 66th annual conference Canadian Operational Research Society conference (CORS 2025), Edmonton, Alberta, Canada.
- 2024 (32)
Conference paper Fischer, V., Legrain, A., & Schindl, D. (2024, May). A benders decomposition approach for a capacitated multi-vehicle covering tour problem with intermediate facilities [Presentation]. In 21st International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR 2024), Uppsala, Sweden.Conference paper Fischer, V., Legrain, A., & Schindl, D. (2024, May). A Benders Decomposition Approach for a Capacitated Multi-vehicle Covering Tour Problem with Intermediate Facilities [Paper]. 21st International Conference on Integration of Constraint Programming, Artificial Intelligence and Operations Research (CPAIOR 2024), Uppsala, Sweden.Journal article Fischer, V., Pacheco Paneque, M., Legrain, A., & Burgy, R. (2024). A capacitated multi-vehicle covering tour problem on a road network and its application to waste collection. European Journal of Operational Research, 315(1), 338-353.Report 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).Journal article Legrain, A., & Omer, J. (2024). A dedicated pricing algorithm to solve a large family of nurse scheduling problems with branch-and-price. INFORMS Journal on Computing, 21 pages.Conference paper Sadat Asl, A. A., & Legrain, A. (2024, May). An efficient real-time multi-modal single-leg transportation system [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2024, June). An Imitation-Based Learning Approach Using DAgger for the Casual Employee Call Timing Problem [Paper]. 18th International Conference on Learning and Intelligent Optimization (LION 18), Ischia Island, Italy. Published in Lecture notes in computer science.Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2024, May). An imitation learning approach for personnel scheduling with flexibility for on-call shifts [Poster]. 21st International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR 2024), Uppsala, Sweden.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2024, May). Anytime optimization approaches for real-time ride-sharing systems [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2024, May). Anytime optimization approach for online dial-a-ride problem [Paper]. 9th international workshop on freight transportation and logistics (ODYSSEUS 2024), Carmona, Spain.Conference paper Bernard, A., & Legrain, A. (2024, May). Application placement simulations over HEAVEN platform [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Bernard, A., & Legrain, A. (2024, July). Application placement simulations over HEAVEN platform [Abstract]. 25th International Symposium on Mathematical Programming (ISMP 2024), Montréal, QC, Canada.Report Kolcheva, L., Legrain, A., & Trépanier, M. (2024). Data driven synchronization strategies of a bus line in a transit network. (Technical Report n° CIRRELT-2024-10).Conference paper Legrain, A., Fischer, V., & Schindl, D. (2024, May). Decomposition method for a capacitated multi-vehicle covering tour problem with intermediate facilities [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Legrain, A., Fischer, V., & Schindl, D. (2024, July). Decomposition method for a capacitated multi-vehicle covering tour problem with intermediate facilities [Abstract]. 25th International Symposium on Mathematical Programming (ISMP 2024), Montréal, QC, Canada.Report Fischer, V., Legrain, A., & Schindl, D. (2024). Decomposition method for a capacitated multi-vehicle covering tour problem with intermediate facilties. (Technical Report n° 2024-27).Conference paper Attila, Ö. N., Legrain, A., & Cappart, Q. (2024, May). Hub transportation problem with chance constrained due dates [Presentation]. In 9th international workshop on freight transportation and logistics (ODYSSEUS 2024), Carmona, Spain.Conference paper Attila, Ö. N., Legrain, A., & Cappart, Q. (2024, July). Hub transportation problem with chance constrained due dates [Presentation]. In 25th International Symposium on Mathematical Programming (ISMP 2024), Montréal, QC, Canada.Conference paper Attila, Ö. N., Legrain, A., & Cappart, Q. (2024, May). Hub transportation problem with chance constrained due dates [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Roy-Baillargeon, O., Tremblay-Racicot, F., & Legrain, A. (2024, July). Mobility as a service, or a sacrifice? Governance and competition between public transport and micromobility [Paper]. AESOP annual Congress Proceedings, Paris, France.Conference paper Pinçon, C., Legrain, A., & Lahrichi, N. (2024, July). Multi-objective scheduling of chemotherapy drug preparation [Abstract]. 25th International Symposium on Mathematical Programming (ISMP 2024), Montréal, QC, Canada.Conference paper 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).Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2024, May). Online optimization of a dial-a-ride problem with the integral primal simplex [Presentation]. In 21st International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR 2024), Uppsala, Sweden.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2024, May). Online stochastic optimization for real-time transfer synchronization in public transit networks [Paper]. 9th international workshop on freight transportation and logistics (ODYSSEUS 2024), Carmona, Spain.Conference paper Legrain, A., Kolcheva, L., & Trépanier, M. (2024, June). Online stochastic optimization for real-time transfer synchronization in public transportation networks [Presentation]. In 65th annual conference Canadian Operational Research Society (CORS 2024), London, Ontario, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2024, May). Online stochastic optimization for real-time transfer synchronization in public transportation networks [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Report Kolcheva, L., Legrain, A., & Trépanier, M. (2024). Online stochastic optimization for real-time transfer synchronization in public transportation networks. (Technical Report n° CIRRELT-2024-19).Report Ricaux, V., Legrain, A., & Lesage-Landry, A. (2024). On the clique decomposition impact to the optimal power flow semidefinite relaxation solve time. (Technical Report n° G-2024-77).Conference paper Pinçon, C., Legrain, A., & Lahrichi, N. (2024, May). Optimizing chemotherapy clinic pharmacy operations: a scheduling approach for efficient medication preparation [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Jafari, A., Legrain, A., & Lahrichi, N. (2024, July). Real-time demand-driven inventory management in a hospital pharmacy [Abstract]. 25th International Symposium on Mathematical Programming (ISMP 2024), Montréal, QC, Canada.Conference paper Jafari, A., Legrain, A., & Lahrichi, N. (2024, May). Real-time demand-driven inventory management in a hospital pharmacy [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.Conference paper Mehiri, E., Legrain, A., & Cappart, Q. (2024, May). Synchronisation des systèmes de transport à la demande avec les horaires des trains au niveau de plusieurs gares [Presentation]. In Journées de l'Optimisation 2024 (JOPT 2024), Montréal, Québec, Canada.
- 2023 (14)
Report Legrain, A., & Omer, J. (2023). A dedicated pricing algorithm to solve a large family of nurse scheduling problems with branch-and-price. (Technical Report n° G-2023-02).Conference paper Rajabi, F., Legrain, A., & Lesage-Landry, A. (2023, May). An exact linearization of mixed-binary quadratic model predictive control for real-time demand response [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.Journal article Pham, T. S., Legrain, A., De Causmaecker, P., & Rousseau, L.-M. (2023). A Prediction-Based Approach for Online Dynamic Appointment Scheduling: A Case Study in Radiotherapy Treatment. INFORMS Journal on Computing, 35(4), 844-868.Conference paper Pham, T. S., Legrain, A., De Causmaecker, P., & Rousseau, L.-M. (2023, May). A prediction-based approach for online dynamic appointment scheduling: a case study in radiotherapy treatment [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2023, May). Data-driven online stochastic synchronization strategies of a bus line in a transit network [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2023, July). Data driven synchronization strategies of a bus line in a transit network [Presentation]. In 16th World Conference on Transport Research Society (WCTR 2023), Montréal, Québec, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2023, July). Data Driven synchronization strategies of a bus line in a transit network [Paper]. World Conference on Transport Research (WCTR 2023), Montréal, QC, Canada. Published in Transportation Research Procedia, 82.Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2023, May). Offline solution based policies for on-call personnel scheduling [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2023, May). Online optimization of a dial-and-ride problem with the integral primal simplex [Presentation]. In Column Generation 2023, Montréal, Québec, Canada.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2023, July). Online optimization of a dial-a-ride problem with the integral primal simplex [Poster]. 9th French-German BMW Summer School 2023, Sophia Antipolis, France.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2023, May). Online optimization of the dial-and-ride problem with the integral primal simplex [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.Conference paper Legrain, A. (2023, October). Personalized shift scheduling problems: from modelling to efficient resolution [Presentation]. In Séminaire “Un chercheur du GERAD vous parle!”, Montréal, Québec, Canada.Conference paper Jafari, A., Legrain, A., & Lahrichi, N. (2023, May). Real-time data-driven inventory management in a hospital pharmacy [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.Conference paper Attila, Ö. N., Legrain, A., & Cappart, Q. (2023, May). Stochastic and robust optimization of on-demand transport systems linked to public transport [Presentation]. In 64th annual conference of Canadian Operational Research Society (CORS 2023) et Journées de l'Optimisation (JOPT 2023), Montréal, Québec, Canada.
- 2022 (10)
Conference paper Fischer, V., Schindl, D., Legrain, A., & Pacheco Paneque, M. (2022, May). A capacitated multi-vehicle covering tour problem (m-CTP) with intermediate facilities for waste collection [Presentation]. In Journées de l'Optimisation 2022 (JOPT 2022), Montréal, Québec, Canada.Conference paper Fischer, V., Schindl, D., Legrain, A., & Pacheco Paneque, M. (2022, June). A capacitated multi-vehicle covering tour problem with intermediate facilities for waste collection [Presentation]. In 2022 CORS/INFORMS International Conference, Vancouver, British Columbia, Canada.Conference paper Jafari, A., Lahrichi, N., & Legrain, A. (2022, May). A real-time replenishment policy for medicine supply chain in a hospital pharmacy [Presentation]. In Journées de l'Optimisation 2022 (JOPT 2022), Montréal, Québec, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2022, May). Data driven synchronization strategies of a bus line in a transit network [Presentation]. In Journées de l'Optimisation 2022 (JOPT 2022), Montréal, Québec, Canada.Conference paper Kolcheva, L., Legrain, A., & Trépanier, M. (2022, June). Data driven synchronization strategies of a bus line in a transit network [Presentation]. In 2022 CORS/INFORMS International Conference, Vancouver, British Columbia, Canada.Conference paper Legrain, A., & Omer, J. (2022, May). Nurse scheduling problem with soft constraints [Presentation]. In Journées de l'Optimisation 2022 (JOPT 2022), Montréal, Québec, Canada.Conference paper Legrain, A. (2022, June). Nurse scheduling problem with soft constraints [Presentation]. In 2022 CORS/INFORMS International Conference, Vancouver, British Columbia, Canada.Conference paper Gawas, P., Legrain, A., & Rousseau, L.-M. (2022, May). On-call/casual personnel scheduling [Presentation]. In Journées de l'Optimisation 2022 (JOPT 2022), Montréal, Québec, Canada.Conference paper Amiri, E., & Legrain, A. (2022, May). Online optimization of the dial-and-ride problem with the integral primal simplex [Presentation]. In Journées de l'Optimisation 2022 (JOPT 2022), Montréal, Québec, Canada.Conference paper Amiri, E., Legrain, A., & El Hallaoui, I. (2022, June). Online optimization of the dial a ride problem with the integral primal simplex [Presentation]. In 2022 CORS/INFORMS International Conference, Vancouver, British Columbia, Canada.
- 2021 (4)
Report Fischer, V., Pacheco Paneque, M., Legrain, A., & Bürgy, R. (2021). A capacitated multi-vehicle covering tour problem on a road network and its application to waste collection. (Technical Report n° G-2021-73).Conference paper Fischer, V., Pacheco Paneque, M., Legrain, A., & Bürgy, R. (2021, June). An optimization model for a capacitated multivehicle covering tour problem on a road network graph and an application to waste collection [Presentation]. In 62nd annual conference of Canadian Operational Research Society (CORS 2021), En ligne.Conference paper Legrain, A., Riley, C., & Van Hentenryck, P. (2021, June). Design and operations of on-demand multimodal transit systems [Presentation]. In 62nd annual conference of Canadian Operational Research Society (CORS 2021), En ligne.Journal article Legrain, A., & Patrick, J. (2021). Inventory Management Using a Weekly Review (s, S) Policy at the Bank of Canada. INFORMS Journal on Applied Analytics, 52(2), 210-225.
- 2020 (2)
Journal article Legrain, A., Omer, J., & Rosat, S. (2020). An online stochastic algorithm for a dynamic nurse scheduling problem. European Journal of Operational Research, 285(1), 196-210.Journal article Hasan, M. H., van Hentenryck, P., & Legrain, A. (2020). The commute trip-sharing problem. Transportation Science, 54(6), 1640-1675.
- 2019 (3)
Journal article Legrain, A., Omer, J., & Rosat, S. (2019). A rotation-based branch-and-price approach for the nurse scheduling problem. Mathematical Programming Computation, 12(3), 417-450.Journal article Grenouilleau, F., Legrain, A., Lahrichi, N., & Rousseau, L.-M. (2019). A set partitioning heuristic for the home health care routing and scheduling problem. European Journal of Operational Research, 275(1), 295-303.Conference paper Riley, C., Legrain, A., & Van Hentenryck, P. (2019, June). Column generation for real-time ride-sharing operations [Paper]. 16th International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR 2019), Thessaloniki, Greece.
- 2017 (3)
Report Legrain, A., Omer, J., & Rosat, S. (2017). An online stochastic algorithm for a dynamic nurse scheduling problem. (Technical Report n° G-2016-78).Report Grenouilleau, F., Legrain, A., Lahrichi, N., & Rousseau, L.-M. (2017). A set partitioning heuristic for the home health care routing and scheduling problem. (Technical Report n° CIRRELT -2017-70).Report Legrain, A., Omer, J., & Rosat, S. (2017). Rotation-based column generation for the nurse rostering problem. (Technical Report n° G-2016-77).
- 2016 (3)
Journal article Legrain, A., & Jaillet, P. (2016). A Stochastic Algorithm for Online Bipartite Resource Allocation Problems. Computers & Operations Research, 75, 28-37.Report Legrain, A., Lahrichi, N., Rousseau, L.-M., & Widmer, M. (2016). Combining Benders and Dantzig-Wolfe Decompositions for Online Stochastic Combinatorial Optimization. (Technical Report n° CIRRELT-2016-52).Journal article Waters, A., Alizadeh, M., Filion, C., Ashbury, F., Pun, J., Chagnon, M. P., Legrain, A., & Fortin, M. A. (2016). Making molehills out of a mountain: experience with a new scheduling strategy to diminish workload variations in response to increased treatment demands. Current Oncology, 23(4), E369-E376.
- 2015 (5)
Journal article Legrain, A., Fortin, M. A., Lahrichi, N., & Rousseau, L.-M. (2015). Online stochastic optimization of radiotherapy patient scheduling. Health Care Management Science, 18(2), 110-123.Journal article Gauthier, J. B., & Legrain, A. (2015). Operating room management under uncertainty. Constraints, 21(4), 577-596.Thesis Legrain, A. (2015). Optimisation stochastique de problèmes d'ordonnancement en santé [Ph.D. thesis, École Polytechnique de Montréal].Conference paper Legrain, A., Fortin, M.-A., Lahrichi, N., Rousseau, L.-M., & Wildmer, M. (2015, March). Stochastic optimization of the scheduling of a radiotherapy center [Paper]. Mini EURO Conference on Improving Healthcare: New Challenges, New Approaches, Coimbra, Portugal. Published in Journal of Physics: Conference Series, 616.Journal article Bouarab, H., Lahrichi, N., & Legrain, A. (2015). The nurse scheduling problem in real-life. Journal of Medical Systems, 39(160).
- 2014 (1)
Report Beauchamp, É., Gauthier, J. B., Legrain, A., & Rousseau, L.-M. (2014). 5th AIMMS-MOPTA optimization modeling competition operating room management under uncertainty. (Technical Report n° CIRRELT-2014-19).
- 2013 (1)
Report Legrain, A., & Jaillet, P. (2013). Stochastic online bipartite resource allocation problems. (Technical Report n° CIRRELT-2013-38).
- 2012 (2)
Journal article Fortin, M., Legrain, A., Lahrichi, N., & Rousseau, L.-M. (2012). Online Optimization of Radiation Therapy Patient Scheduling. International Journal of Radiation Oncology Biology Physics, 84(3), S543-S543.Conference paper Legrain, A., Lahrichi, N., & Rousseau, L.-M. (2012, August). Planification et optimisation en temps réel des rendez-vous patients en radiothérapie [Paper]. Gestion et ingénierie des systèmes hospitaliers (GISEH 2012), Québec, Canada.
- 2011 (1)
Thesis Legrain, A. (2011). Génération de scénarios pour la demande en personnels durant plusieurs périodes [Master's thesis, École Polytechnique de Montréal].