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Augusto, V., Lahrichi, N., Lanzarone, E., Lee, T., & Song, J. (2022). Analytics and Optimization in Healthcare Management. Flexible Services and Manufacturing Journal, 34(4), 821-823. External link
Augustin, A., Jouvet, P., Lahrichi, N., Lodi, A., & Rousseau, L.-M. (2022). A data-driven approach to include availability of ICU beds in the planning of the operating room. Omega-International Journal of Management Science, 109, 102608 (16 pages). External link
Augustin, A., Jouvet, P., Lahrichi, N., Lodi, A., & Rousseau, L.-M. (2020). A Data-driven approach to include availability of ICU beds in the planning of the operating room. (Technical Report n° CIRRELT-2020-10). External link
Bakker, H., Arunkumar, G., Krishnakumari, P. K., Gromicho, J., Côté, F. L., Lahrichi, N., Jha, P., Shrestha, S., Mulmi, R., Bhusal, N., Stapith, D., Jha, R., Shrestha, L., Naidoo, D., Samuel, R., & del Rio Vilas, V. (2024). Coordination strategies to improve COVID-19 PCR laboratory testing scale up in Nepal: An analysis. PLoS ONE, 19(12), e0314746-e0314746. Available
Berthelot, S., Longtin, Y., Margni, M., Guertin, J. R., Leblanc, A., Marx, T., Mangou, K., Bluteau, A., Mantovani, D., Mikhaylin, S., Bergeron, F., Dancause, V., Desjardins, A., Lahrichi, N., Martin, D., Sossa, C. J., Lachapelle, P., Schaal, S., Genest, I., ... Beatty, E. (2023). Postpandemic Evaluation of the Eco-Efficiency of Personal Protective Equipment Against COVID-19 in Emergency Departments: Proposal for a Mixed Methods Study. JMIR Research Protocols, 12, e50682 (14 pages). External link
Breuer, D. J., Seridi, K., Lahrichi, N., Shukla, M., & Benneyan, J. C. (2022). Correction to: Robust multi-period capacity, location, and access of rural cardiovascular services under uncertainty. Flexible Services and Manufacturing Journal, 34(4), 1117-1117. External link
Breuer, D. J., Kapadia, S., Lahrichi, N., & Benneyan, J. C. (2022). Joint robust optimization of bed capacity, nurse staffing, and care access under uncertainty. Annals of Operations Research, 312(2), 673-689. External link
Bentayeb, D., Lahrichi, N., & Rousseau, L.-M. (2022). On integrating patient appointment grids and technologist schedules in a radiology center. Health Care Management Science, 26(1), 62-78. External link
Breuer, D. J., Lahrichi, N., Shukla, M., & Benneyan, J. C. (2022). Robust multi-period capacity, location, and access of rural cardiovascular services under uncertainty. Flexible Services and Manufacturing Journal, 34(4), 1013-1039. External link
Bélanger, V., Lahrichi, N., Lanzarone, E., & Yalçındağ, S. (2020). Health Care Systems Engineering. External link
Benzaid, M., Lahrichi, N., & Rousseau, L.-M. (2020). Chemotherapy appointment scheduling and daily outpatient-nurse assignment. Health Care Management Science, 23(1), 34-50. External link
Bentayeb, D., Lahrichi, N., & Rousseau, L.-M. (2020). On integrating patients appointment grids and technologist schedules in a radiology center. (Technical Report n° CIRRELT-2020-09). External link
Breuer, D. J., Lahrichi, N., Clark, D. E., & Benneyan, J. C. (2020). Robust combined operating room planning and personnel scheduling under uncertainty. Operations Research for Health Care, 27, 100276 (13 pages). External link
Bentayeb, D., Lahrichi, N., & Rousseau, L.-M. (2019, May). Simultaneous Optimization of Appointment Grid and Technologist Scheduling in a Radiology Center [Paper]. 4th International Conference on Health Care Systems Engineering (HCSE 2019), Montréal, Qc, Canada. External link
Bentayeb, D., Lahrichi, N., & Rousseau, L.-M. (2019). Patient scheduling based on a service-time prediction model: a data-driven study for a radiotherapy center. Health Care Management Science, 22(4), 768-782. External link
Bouarab, H., Lahrichi, N., & Legrain, A. (2015). The nurse scheduling problem in real-life. Journal of Medical Systems, 39(160). External link
Bouarab, H., Champalle, S., Dagenais, M., & Lahrichi, N. Nurse scheduling : from theoretical modeling to practical resolution [Paper]. Society for Health Conference (SHC 2011), Orlando, Florida. External link
Bakker, H., Arunkumar, G., Krishnakumari, P. K., Gromicho, J., Côté, F. L., Lahrichi, N., Jha, P., Shrestha, S., Mulmi, R., Bhusal, N., Stapith, D., Jha, R., Shrestha, L., Naidoo, D., Samuel, R., & del Rio Vilas, V. COVID-19 daily situation reports - partial data extracted to .csv [Dataset]. External link
Côté, F. L., Lahrichi, N., Gralla, E., Bakker, H., Krishnan Krishnakumari, P., Gromicho, J., Arunkumar, G., Jha, R., Shrestha, L., Bhusal, N., Shrestha, S., Mulmi, R., Jha, P., Samuel, R., Naidoo, D., & Del Rio Vilas, V. (2025). Within-laboratory SARS-CoV-2 real time PCR testing operations in Nepal: a simulation-based analysis. The Lancet Regional Health - Southeast Asia, 36, 100584 (18 pages). External link
Camiat, F., Restrepo, M. I., Chauny, J.-M., Lahrichi, N., & Rousseau, L.-M. (2021). Productivity-driven physician scheduling in emergency departments. Health Systems, 10(2), 104-117. External link
Crainic, T. G., Crişan, G. C., Gendreau, M., Lahrichi, N., Rei, W., & Vidal, T. (2009, July). A concurrent evolutionary approach for rich combinatorial problems [Paper]. Genetic and Evolutionary Computation Conference (GECC 2009), Montréal, Québec. External link
Crainic, T. G., Crisan, G. C., Gendreau, M., Lahrichi, N., Rei, W., & Vidal, T. (2009, July). Integrative cooperative meta-heuristics for rich combinatorial problems [Paper]. VIII Metaheuristic International Conference (MIC 2009), Hambourg, Allemagne. Unavailable
Crainic, T. G., Crişan, G. C., Gendreau, M., Lahrichi, N., Rei, W., & Vidal, T. (2009, May). Multi-thread cooperative optimization for rich combinatorial problems [Paper]. 23rd IEEE international Parallel & Distributed Processing Symposium (IPDPS 2009), Rome, Italy (8 pages). External link
El Hage, J., Gravitt, P., Ravel, J., Lahrichi, N., & Gralla, E. (2021). Supporting scale-up of COVID-19 RT-PCR testing processes with discrete event simulation. PLOS One, 16(7), 19 pages. Available
El Hachemi, N., Crainic, T. G., Lahrichi, N., Rei, W., & Vidal, T. (2015). Solution integration in combinatorial optimization with applications to cooperative search and rich vehicle routing. Journal of Heuristics, 21(5), 663-685. External link
El Hachemi, N., Crainic, T. G., Lahrichi, N., Rei, W., & Vidal, T. (2014). Solution integration in combinatorial optimization with applications to cooperative search and rich vehicle routing. (Technical Report n° CIRRELT-2014-40). External link
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. External link
Fleurance, P., Lahrichi, N., Péton, O., & Restrepo, M. I. (2025, February). Matheuristique pour le routage et la planification de soignants à domicile sous incertitudes [Paper]. 26ème congrès annuel de la Société Française de Recherche Opérationnelle et d'Aide à la Décision (ROADEF 2025), Champs Sur Marne, France. External link
Ghiyasinasab, M., Morisson, L., Laferrière-Langlois, P., Geraldo-Demers, M.-A., Gélinas, C., Nadeau-Vallée, M., Verdonck, O., Lahrichi, N., & Richebé, P. (2022). Identification of the intraoperative antinociceptive effect of intravenous fentanyl using the Nociception Level (NOL) index versus clinical parameters in patients undergoing gynecological laparoscopic surgery: A secondary analysis of the NOLGYN study. Anaesthesia Critical Care & Pain Medicine, 41(4), 101102 (6 pages). External link
Ghiyasinasab, M., Lahrichi, N., & Lehoux, N. (2021). A simulation model to analyse automation scenarios in decontamination centers. Health Systems, 12(2), 181-197. External link
Grenouilleau, F., Lahrichi, N., & Rousseau, L.-M. (2020). New decomposition methods for home care scheduling with predefined visits. Computers & Operations Research, 115, 104855 (9 pages). External link
Grenouilleau, F., Lahrichi, N., & Rousseau, L.-M. (2019). New decomposition methods for home care scheduling with predefined visits. (Technical Report n° CIRRELT-2019-10). External link
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. External link
Gilli, Q., Mustapha, K., Frayret, J.-M., Lahrichi, N., & Karimi, E. (2017). Patient model for colon and colorectal cancer care trajectory simulation. Health Science Journal, 11(6), 536 (16 pages). Available
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). External link
Gilli, Q., Mustapha, K., Frayret, J.-M., Lahrichi, N., & Karimi, E. (2014). Agent-based simulation of colorectal cancer care trajectory: patient model. (Technical Report n° CIRRELT-2014-67). External link
Hertz, A., Lahrichi, N., & Widmer, M. (2010). A flexible MILP model for multiple-shift workforce planning under annualized hours. European Journal of Operational Research, 200(3), 860-873. External link
Hertz, A., & Lahrichi, N. (2009). A Patient Assignment Algorithm for Home Care Services. Journal of the Operational Research Society, 60(4), 481-495. External link
Hertz, A., Lahrichi, N., & Widmer, M. (2008). A Flexible MILP Model for Multiple-Shift Workforce Planning Under Annualized Hours. (Technical Report n° G-2008-05). External link
Hertz, A., & Lahrichi, N. (2007). A Patient Assignment Algorithm for Home Care Services. (Technical Report n° G-2006-80). External link
Krishnakumari, P. K., Bakker, H., Lahrichi, N., Côté, F. L., Gromicho, J., Govindakarnavar, A., Jha, P., Shrestha, S., Mulmi, R., Bhusal, N., Stapith, D., Jha, R., Shrestha, L., Samuel, R., Naidoo, D., & Del Rio Vilas, V. (2024). Assessment of geographical accessibility to COVID-19 testing facilities in Nepal (2021). The Lancet Regional Health - Southeast Asia, 27, 100436 (17 pages). External link
Lacort Burgos, A., Maheut, J., & Lahrichi, N. (2024, July). Discrete Event Simulation for Hospital Inpatient Flow Modelling: A Review of Validation Methods [Paper]. 18th International Conference on Industrial Engineering and Industrial Management (ICIEIM 2024); XXVIII Congreso de Ingeniería de Organización (CIO2024), Madrid, Spain. Published in Lecture notes on data engineering and communications technologies. External link
Lacort Burgos, A., Lahrichi, N., & Maheut, J. (2024, June). Hospital Bed Management Modelling: A Conceptual Framework [Paper]. 2nd Decision Science Alliance International Summer Conference (DSA ISC 2024), Valencia, Spain. Published in Lecture notes in computer science. External link
Laferrière-Langlois, P., Imrie, F., Geraldo, M.-A., Wingert, T., Lahrichi, N., van der Schaar, M., & Cannesson, M. (2024). Novel Preoperative Risk Stratification Using Digital Phenotyping Applying a Scalable Machine-Learning Approach. Anesthesia & Analgesia, 139(1), 174-185. External link
Lahrichi, N., Lanzarone, E., & Yalcindai, S. (2022). A First Route Second Assign decomposition to enforce continuity of care in home health care. Expert Systems With Applications, 193, 116442 (13 pages). External link
Lavoie, G., Bélanger, V., de Montigny, L., & Lahrichi, N. (2019, May). A Realistic Simulation Model of Montréal Emergency Medical Services [Paper]. 4th International Conference on Health Care Systems Engineering (HCSE 2019), Montréal, Qc, Canada. External link
Lahrichi, N., Rousseau, L.-M., & Van Hoeve, W.-J. (2018). Residential Care. In Handbook of Healthcare Analytics (pp. 257-285). External link
Lahrichi, N., Lanzarone, E., & Yalcinda, S. (2017, May). A new decomposition approach for the home health care problem [Paper]. 3rd International Conference on Health Care Systems Engineering (HCSE 2017), Florence, Italy. External link
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). External link
Lahrichi, N., Crainic, T. G., Gendreau, M., Rei, W., Crişan, G. C., & Vidal, T. (2015). An integrative cooperative search framework for multi-decision-attribute combinatorial optimization: Application to the MDPVRP. European Journal of Operational Research, 246(2), 400-412. External link
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. External link
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. External link
Lahrichi, N., Crainic, T. G., Gendreau, M., Rei, W., & Rousseau, L.-M. (2015). Strategic analysis of the dairy transportation problem. Journal of the Operational Research Society, 66(1), 44-56. External link
Lahrichi, N., De Los Reyes, V., Pevreal, A., & Williams, K. (2014, July). Planification et gestion de l'horaire des infirmières au bloc opératoire [Paper]. 7e Conférence de gestion et ingénierie des systèmes hospitaliers (GISEH 2014), Liège, Belgique. Unavailable
Lahrichi, N., Crainic, T. G., Gendreau, M., Rei, W., Crişan, G. C., & Vidal, T. (2012). An integrative cooperative search framework for multi-decision-attribute combinatorial optimization. (Technical Report n° CIRRELT-2012-42). External link
Lahrichi, N., Troy, P., Vandal, V., & Rosenberg, L. (2012, August). Ingénierie du changement dans le bloc opératoire comme paradigme du changement du système de soins de santé [Paper]. Gestion et ingénierie des systèmes hospitaliers (GISEH 2012), Québec, Canada. Unavailable
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. Unavailable
Lahrichi, N. (2008). Organisation et planification de la main-d'oeuvre : applications en santé et en industrie [Ph.D. thesis, École Polytechnique de Montréal]. Available
Lahrichi, N., Lapierre, S. D., Hertz, A., Talib, A., & Bouvier, L. (2006). Analysis of a territorial approach to the delivery of nursing home care services based on historical data. Journal of Medical Systems, 30(4), 283-291. External link
Lahrichi, N., Lapierre, S. D., Hertz, A., Talib, A., & Bouvier, L. (2005). Analysis of a Territorial Approach to the Delivery of Nursing Home Care Services Based on Historical Data. (Technical Report n° G-2005-91). External link
Lahrichi, N., Crainic, T. G., Gendreau, M., Rei, W., & Rousseau, L.-M. Strategic analysis of the diary transportation problem. (Technical Report n° CIRRELT-2012-80). External link
Morisson, L., Nadeau-Vallée, M., Espitalier, F., Laferrière-Langlois, P., Idrissi, M., Lahrichi, N., Gélinas, C., Verdonck, O., & Richebé, P. (2022). Prediction of acute postoperative pain based on intraoperative nociception level (NOL) index values: the impact of machine learning-based analysis. Journal of Clinical Monitoring and Computing, 37(1), 337-344. External link
Madelin, G., & Lahrichi, N. (2021). Modeling and improving the logistic distribution network of a hospital. International Transactions in Operational Research, 28(1), 70-90. External link
Musaraganyi, L., Germain, S., Lahrichi, N., & Rousseau, L.-M. (2019, May). Integration of Users Preferences into the Home Healthcare Routing and Scheduling Multi-objective Problem: A Hierarchical Approach with Pareto-Optimal Alternative Solutions [Paper]. 4th International Conference on Health Care Systems Engineering (HCSE 2019), Montréal, Qc, Canada. External link
Mahnam, M., Gendreau, M., Lahrichi, N., & Rousseau, L.-M. (2019). Integrating DVH criteria into a column generation algorithm for VMAT treatment planning. Physics in Medicine and Biology, 64(8), 14 pages. External link
Mustapha, K., Gilli, Q., Frayret, J.-M., & Lahrichi, N. (2016, July). Agent-based modelling and simulation framework for health care [Paper]. 6th International Conference on Simulation and Modeling Methodologies,Technologies and Applications, (SIMULTECH 2016), Lisbon, Portugal. External link
Mahnam, M., Gendreau, M., Lahrichi, N., & Rousseau, L.-M. (2017). Simultaneous Delivery Time and Aperture Shape Optimization for the Volumetric-Modulated Arc Therapy (VMAT) Treatment Planning Problem. (Technical Report n° CIRRELT-2017-09). External link
Mahnam, M., Gendreau, M., Lahrichi, N., & Rousseau, L.-M. (2017). Simultaneous delivery time and aperture shape optimization for the volumetric-modulated arc therapy (VMAT) treatment planning problem. Physics in Medicine and Biology, 62(14), 5589-5611. External link
Mustapha, K., Gilli, Q., Frayret, J.-M., Lahrichi, N., & Karimi, E. (2016). Agent-based simulation patient model for colon and colorectal cancer care trajectory. Procedia Computer Science, 100, 188-197. Available
Mascarella, M. A., Lahrichi, N., Cloutier, F., Kleiman, S., Payne, R. J., & Rosenberg, L. (2016). High efficiency endocrine operation protocol: From design to implementation. Surgery, 160(4), 1118-1124. External link
Masson, R., Lahrichi, N., & Rousseau, L.-M. (2016). A two-stage solution method for the annual dairy transportation problem. European Journal of Operational Research, 251(1), 36-43. External link
Niroumandrad, N., Lahrichi, N., & Lodi, A. (2024). Learning tabu search algorithms: a scheduling application. Computers & Operations Research, 170, 106751 (16 pages). External link
Nguyen, N.-D., Gendron, B., & Lahrichi, N. (2024). A parking incentive allocation problem for ridesharing systems. Transportation Research Part C: Emerging Technologies, 166, 104782 (23 pages). External link
Niroumandrad, N., Lahrichi, N., & Lodi, A. (2022, July). A Learning Metaheuristic Algorithm for a Scheduling Application [Paper]. 14th International Conference on Metaheuristics (MIC 2022), Ortigia-Syracuse, Italy. External link
Niroumandrad, N., Lahrichi, N., & Lodi, A. (2022). Learning tabu search algorithms : a scheduling application. (Technical Report). External link
Niroumandrad, N., & Lahrichi, N. (2018). A stochastic tabu search algorithm to align physician schedule with patient flow. Health Care Management Science, 21(2), 244-258. External link
Rositch, A. F., Singh, A., Lahrichi, N., Paz-Soldan, V. A., Kohler-Smith, A., Gravitt, P. E., & Gralla, E. (2022). Planning for resilience in screening operations using discrete event simulation modeling: example of HPV testing in Peru. Implementation science communications, 3, 65 (13 pages). Available
Roy, P., Restrepo, M. I., Chauny, J.-M., Lahrichi, N., & Rousseau, L.-M. (2020). Predicting patient's consultation length in emergency departments with machine learning. (Technical Report n° EasyChair Preprint no. 2578). External link
Sauthier, N., Bouchakri, R., Carrier, F. M., Sauthier, M., Mullie, L.-A., Cardinal, H., Fortin, M.-C., Lahrichi, N., & Chassé, M. (2023). Automated screening of potential organ donors using a temporal machine learning model. Scientific Reports, 13(1), 8459 (8 pages). External link
Thompson, J. O., Lahrichi, N., Meyer, P., Mohammadi, M., & Thevenin, S. (2024, June). A Large Neighborhood Search Metaheuristic for the Stochastic Mixed Model Assembly Line Balancing Problem with Walking Workers [Paper]. 15th International Conference on Metaheuristics (MIC 2024), Lorient, France. External link
Troy, P., Lahrichi, N., Porubska, D., & Rosenberg, L. (2020). Fine-grained simulation optimization for the design and operations of a multi-activity clinic. Flexible Services and Manufacturing Journal, 32(3), 599-628. External link
Troy, P., Lahrichi, N., Porubska, D., & Rosenberg, L. (2018). Fine-grained simulation optimization for the design and operations of a multi-activity clinic. (Technical Report n° CIRRELT-2018-47). External link
Troy, P., Lahrichi, N., & Rosenberg, L. (2013, December). An alternative approach to modeling a pre-surgical screening clinic [Paper]. Winter Simulation Conference, Washington, D.C.. External link
Vergnolle, G., & Lahrichi, N. (2022). Data-Driven Analysis of Employee Churn in the Home Care Industry. Home Health Care Management and Practice, 35(2), 75-85. External link
Vieira, B., Demirtas, D., van de Kamer, J. B., Hans, E. W., Rousseau, L.-M., Lahrichi, N., & van Harten, W. H. (2019, May). A Mathematical Programming Model for Radiotherapy Scheduling with TimeWindows [Paper]. 4th International Conference on Health Care Systems Engineering (HCSE 2019), Montréal, Qc, Canada. External link
Vieira, B., Demirtas, D., van de Kamer, J. B., Hans, E. W., Rousseau, L.-M., Lahrichi, N., & van Harten, W. H. (2020). Radiotherapy treatment scheduling considering time window preferences. Health Care Management Science, 23(4), 520-534. External link
Vidal, T., Crainic, T. G., Gendreau, M., Lahrichi, N., & Rei, W. (2012). A hybrid genetic algorithm for multidepot and periodic vehicle routing problems. Operations Research, 60(3), 611-624. External link
Vidal, T., Crainic, T. G., Gendreau, M., Lahrichi, N., & Rei, W. (2011). A Hybrid Genetic Algorithm for Multi-Depot and Periodic Vehicle Routing Problems. (Technical Report n° CIRRELT-2011-05). External link
Vidal, T., Crainic, T. G., Gendreau, M., Lahrichi, N., & Rei, W. (2010). A hybrid genetic algorithm for multi-depot and periodic vehicle routing problems. (Technical Report n° CIRRELT-2010-34). External link
Yu, C., Lahrichi, N., & Matta, A. (2023). Optimal budget allocation policy for tabu search in stochastic simulation optimization. Computers & Operations Research, 150, 106046 (22 pages). External link