Janosch Ortmann

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Publications

Cahiers du GERAD

Nov 2024

G-2024-76
Comptes rendus du 14e atelier de résolution de problèmes industriels de Montréal, 13--17 mai 2024 / Proceedings of the 14th Montréal industrial problem solving workshop, May 13--17, 2024

Odile Marcotte, Jean-François Plante, Juliana Schulz, Janosch Ortmann, Sylvain Perron, Samuel Perreault, Michael R. Lindstrom, Gilles Caporossi, Pedram Peiroasfia, Golshid Aflaki, Ernest Tafolong, and Mathieu Gervais-Dubé

The Fourteenth Montreal Industrial Problem Solving Workshop, held May 13-17, 2024, was jointly organized by the Centre de recherches mathématiques (CRM), the...

BibTeX reference

Sep 2024

G-2024-53
ACAS: A comprehensive framework for automatic abstract screening in systematic literature reviews

Julia Isabe Serrato-Fonseca, Ana Maria Anaya-Arenas, Janosch Ortmann, and Angel Ruiz

When performing a Systematic Literature Review (SLR), the Abstract Screening Process (ASP) can be a very consuming and laborious task, especially when rese...

BibTeX reference

Sep 2024

G-2024-54
Optimal timing of major projects when time-to-build and investment cost are uncertain

Alexandre Croutzet, Skander Ben Abdallah, and Janosch Ortmann

Major projects often deviate from their expected budget, schedule, and benefits. Existing techniques to improve the forecasted outcome, such as the Refer...

BibTeX reference

Mar 2024

G-2024-21
Comptes rendus du treizième atelier de résolution de problèmes industriels de Montréal, 21-25 août 2023 / Proceedings of the thirteenth Montréal industrial problem solving workshop, August 21-25, 2023

Odile Marcotte, Nima Akbarzadeh, Juli Atherton, Ali Barooni, Fabian Bastin, Moncef Chioua, Philippe Gagnon, Sébastien Gambs, Michael R. Lindstrom, Patrick Mesana, Janosch Ortmann, Jean-François Plante, Frédéric Quesnel, and Ernest Tafolong

The Thirteenth Montreal IPSW took place on August 21-25, 2023, and was jointly organized by the Centre de recherches mathématiques (CRM) and the Institute ...

BibTeX reference

Jan 2024

G-2024-04
A Cost Focused Machine Learning framework for replenishment decisions under transportation cost uncertainty

Daniel Müllerklein, Pirmin Fontaine, and Janosch Ortmann

Determining optimal inventory replenishment decisions requires balancing the costs of excess inventory with shortage risks. While demand uncertainty has been...

BibTeX reference

Articles

Sep 2023

A machine learning approach to deal with ambiguity in the humanitarian decision-making

Emilia Grass, Janosch Ortmann, B. Balcik, and Walter Rei

Production and Operations Management, 32(9), 2956–2974, 2023 BibTeX reference

Mar 2023

Problem-driven scenario clustering in stochastic optimization

Julien Keutchayan, Janosch Ortmann, and Walter Rei

Computational Management Science, 20, Paper no: 13, 2023 BibTeX reference

Feb 2023

The directed landscape

Duncan Dauvergne, Janosch Ortmann, and Bálint Virág

Acta Mathematica, 229(2), 201–285, 2023 BibTeX reference

Aug 2022

Decision-based scenario clustering for decision-making under uncertainty

Mike Hewitt, Janosch Ortmann, and Walter Rei

Annals of Operations Research, 315, 747–771, 2022 BibTeX reference

May 2022

Evaluation of statistical approaches for association testing in noisy drug screening data

Petr Smirnov, Ian Smith, Zhaleh Safikhani, Wail Ba-Alawi, Farnoosh Khodakarami, Eva Lin, Yihong Yu, Scott Martin, Janosch Ortmann, Tero Aittokallio, Marc Hafner, and Benjamin Haibe-Kains

BMC Bioinformatics, 23(1), Paper no: 188, 2022 BibTeX reference

Nov 2021

Assessing therapy response in patient-derived xenografts

Janosch Ortmann, Ladislav Rampášek, Elijah Tai, Arvind S. Mer, Ruoshi Shi, Erin L. Stewart, Celine Mascaux, Aline Fares, Nhu-An Pham, Gangesh Beri, Christopher Eeles, Denis Tkachuk, Chantal Ho, Shingo Sakashita, Jessica Weiss, Xiaoqian Jiang, Geoffrey Liu, David W. Cescon, Catherine A. O’Brien, Sheng Guo, Ming-Sound Tsao, Benjamin Haibe-Kains, and Anna Goldenberg

Science Translational Medicine, 13(620), Paper no: eabf4969, 2021 BibTeX reference

May 2021

Correlates of career satisfaction in internationally educated nurses: A cross-sectional survey-based study

Marie-Douce Primeau, Isabelle St-Pierre, Janosch Ortmann, Kelley Kilpatrick, and Christine L. Covell

International Journal of Nursing Studies, 117, Paper no: 103899, 2021 BibTeX reference

Aug 2020

Major projects optimal capacity and timing with time-to-build and investment cost dependency on capacity

Skander Ben Abdallah, Alexandre Croutzet, and Janosch Ortmann

International Journal of Applied Decision Sciences, 13(4), 435–447, 2020 BibTeX reference

Mar 2020

Using deep convolutional neural networks for neonatal brain image segmentation

Yang Ding, Ronaldo Acosta, Vicente Enguix, Sabrina Suffren, Janosch Ortmann, David Luck, Jose Dolz, and Gregory A. Lodygensky

Frontiers in Neuroscience, 14, 207, 2020 BibTeX reference

Sep 2019

Integrative pharmacogenomics analysis of patient-derived xenografts

Arvind S. Mer, Wail Ba-Alawi, Petr Smirnov, Yi X. Wang, Ben Brew, Janosch Ortmann, Ming-Sound Tsao, David W. Cescon, Anna Goldenberg, and Benjamin Haibe-Kains

Cancer Research, 79(17), 4539–4550, 2019 BibTeX reference

Aug 2018

Optimality regions and fluctuations for Bernoulli last passage models

Nicos Georgiou and Janosch Ortmann

Mathematical Physics, Analysis and Geometry, 21(3), Paper no: 22, 2018 BibTeX reference

May 2018

Asymptotics of quantum weighted Hurwitz numbers

John Harnad and Janosch Ortmann

Journal of Physics A: Mathematical and Theoretical, 51(22), Paper no: 225201, 2018 BibTeX reference

Proceedings

Jun 2019

Major projects, optimal capacity and timing with time-to-tuild and investment cost dependency on capacity

Skander Ben Abdallah, Alexandre Croutzet, and Janosch Ortmann

Proceedings of INEKA 2019, Verona, Italy, 2019 BibTeX reference

Jun 2019

On the contributions of artificial intelligence to decision making in major projects

Skander Ben Abdallah, Alexandre Croutzet, and Janosch Ortmann

Proceedings of the 7th International Megaprojects Workshop, Montreal, QC, Canada, 2019 BibTeX reference