Walter Rei

3.7k total citations · 2 hit papers
56 papers, 2.5k citations indexed

About

Walter Rei is a scholar working on Industrial and Manufacturing Engineering, Automotive Engineering and Transportation. According to data from OpenAlex, Walter Rei has authored 56 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Industrial and Manufacturing Engineering, 24 papers in Automotive Engineering and 20 papers in Transportation. Recurrent topics in Walter Rei's work include Vehicle Routing Optimization Methods (38 papers), Transportation and Mobility Innovations (24 papers) and Transportation Planning and Optimization (19 papers). Walter Rei is often cited by papers focused on Vehicle Routing Optimization Methods (38 papers), Transportation and Mobility Innovations (24 papers) and Transportation Planning and Optimization (19 papers). Walter Rei collaborates with scholars based in Canada, Italy and United States. Walter Rei's co-authors include Michel Gendreau, Teodor Gabriel Crainic, Ragheb Rahmaniani, Nadia Lahrichi, Thibaut Vidal, Ola Jabali, Patrick Soriano, Mike Hewitt, Fausto Errico and Iman Dayarian and has published in prestigious journals such as European Journal of Operational Research, Operations Research and Journal of the Operational Research Society.

In The Last Decade

Walter Rei

54 papers receiving 2.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The Benders decomposition algorithm: A literature review

2016 539 citations Ragheb Rahmaniani, Teodor Gabriel Crainic et al. European Journal of Operational Research profile →
A Hybrid Genetic Algorithm for Multidepot and Periodic Vehicle Routing Problems

2012 471 citations Teodor Gabriel Crainic, Michel Gendreau et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Walter Rei Canada	25	1.7k	801	661	401	286	56	2.5k
Gianpaolo Ghiani Italy	26	1.7k 1.0×	889 1.1×	702 1.1×	446 1.1×	182 0.6×	96	2.4k
Richard Eglese United Kingdom	27	2.2k 1.3×	1.0k 1.3×	807 1.2×	562 1.4×	250 0.9×	54	3.3k
Barrett W. Thomas United States	31	1.8k 1.1×	1.3k 1.6×	833 1.3×	585 1.5×	217 0.8×	64	2.6k
Louis-Martin Rousseau Canada	35	2.2k 1.3×	781 1.0×	552 0.8×	206 0.5×	232 0.8×	114	3.1k
Bernard Gendron Canada	32	1.6k 1.0×	339 0.4×	496 0.8×	379 0.9×	354 1.2×	116	2.7k
Yiyong Xiao China	25	1.3k 0.8×	747 0.9×	457 0.7×	239 0.6×	301 1.1×	116	2.6k
Roberto Tadei Italy	30	2.5k 1.5×	504 0.6×	914 1.4×	377 0.9×	170 0.6×	144	3.3k
Janny Leung Hong Kong	26	1.3k 0.8×	527 0.7×	380 0.6×	553 1.4×	243 0.8×	60	2.7k
André Langevin Canada	32	2.0k 1.2×	566 0.7×	689 1.0×	316 0.8×	221 0.8×	109	2.8k
Christelle Guéret France	17	1.6k 1.0×	1.1k 1.3×	522 0.8×	244 0.6×	148 0.5×	24	2.2k

Countries citing papers authored by Walter Rei

Since Specialization

Citations

This map shows the geographic impact of Walter Rei's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Walter Rei with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Walter Rei more than expected).

Fields of papers citing papers by Walter Rei

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Walter Rei. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Walter Rei. The network helps show where Walter Rei may publish in the future.

Co-authorship network of co-authors of Walter Rei

This figure shows the co-authorship network connecting the top 25 collaborators of Walter Rei. A scholar is included among the top collaborators of Walter Rei based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Walter Rei. Walter Rei is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Silva, Allyson, et al.. (2025). Sustainable robotic mobile fulfillment system with pod repositioning in warehousing 5.0. International Journal of Production Research. 64(5). 1838–1859.

Crainic, Teodor Gabriel & Walter Rei. (2025). 50 years of Operations Research for the tactical planning of consolidation-based freight transportation. EURO Journal on Transportation and Logistics. 14. 100157–100157.

Trépanier, Martin, et al.. (2024). Characterization of a Covid-fired urban bike delivery system: The Montreal experience. Research in Transportation Business & Management. 56. 101187–101187. 1 indexed citations

Jena, Sanjay Dominik, et al.. (2023). A two-stage stochastic post-disaster humanitarian supply chain network design problem. Computers & Industrial Engineering. 183. 109459–109459. 13 indexed citations

Crainic, Teodor Gabriel, et al.. (2023). Capacity planning with uncertainty on contract fulfillment. European Journal of Operational Research. 314(1). 152–175. 2 indexed citations

Hewitt, Mike, Janosch Ortmann, & Walter Rei. (2021). Decision-based scenario clustering for decision-making under uncertainty. Annals of Operations Research. 315(2). 747–771. 21 indexed citations

Crainic, Teodor Gabriel, et al.. (2021). Multi-period bin packing model and effective constructive heuristics for corridor-based logistics capacity planning. Computers & Operations Research. 132. 105308–105308. 13 indexed citations

Crainic, Teodor Gabriel, Mike Hewitt, Francesca Maggioni, & Walter Rei. (2020). Partial Benders Decomposition: General Methodology and Application to Stochastic Network Design. Transportation Science. 55(2). 414–435. 33 indexed citations

Gendreau, Michel, et al.. (2018). An exact algorithm to solve the vehicle routing problem with stochastic demands under an optimal restocking policy. European Journal of Operational Research. 273(1). 175–189. 50 indexed citations

10.

Crainic, Teodor Gabriel, Francesca Maggioni, Guido Perboli, & Walter Rei. (2018). Reduced cost-based variable fixing in two-stage stochastic programming. Annals of Operations Research. 354(3). 1001–1037. 19 indexed citations

11.

Rahmaniani, Ragheb, Teodor Gabriel Crainic, Michel Gendreau, & Walter Rei. (2016). The Benders decomposition algorithm: A literature review. European Journal of Operational Research. 259(3). 801–817. 539 indexed citations breakdown →

12.

Gendreau, Michel, Ola Jabali, & Walter Rei. (2016). 50th Anniversary Invited Article—Future Research Directions in Stochastic Vehicle Routing. Transportation Science. 50(4). 1163–1173. 119 indexed citations

13.

Crainic, Teodor Gabriel, Fausto Errico, Walter Rei, & Nicoletta Ricciardi. (2015). Modeling Demand Uncertainty in Two-Tier City Logistics Tactical Planning. Transportation Science. 50(2). 559–578. 40 indexed citations

14.

Meisel, Frank, Walter Rei, Michel Gendreau, & Christian Bierwirth. (2015). Designing supply networks under maximum customer order lead times. IIE Transactions. 48(10). 921–937. 3 indexed citations

15.

Rousseau, Louis-Martin, et al.. (2014). Paired cooperative reoptimization strategy for the vehicle routing problem with stochastic demands. Computers & Operations Research. 50. 1–13. 25 indexed citations

16.

Errico, Fausto, Guy Desaulniers, Michel Gendreau, Walter Rei, & Louis-Martin Rousseau. (2014). A priori optimization with recourse for the vehicle routing problem with hard time windows and stochastic service times. PolyPublie (École Polytechnique de Montréal). 1–23. 1 indexed citations

17.

Jabali, Ola, Walter Rei, Michel Gendreau, & Gilbert Laporte. (2014). Partial-route inequalities for the multi-vehicle routing problem with stochastic demands. Discrete Applied Mathematics. 177. 121–136. 39 indexed citations

18.

Crainic, Teodor Gabriel, Luca Gobbato, Guido Perboli, et al.. (2014). Bin Packing Problems with Uncertainty on Item Characteristics: An Application to Capacity Planning in Logistics. Procedia - Social and Behavioral Sciences. 111. 654–662. 12 indexed citations

19.

Errico, Fausto, Guy Desaulniers, Michel Gendreau, Walter Rei, & Louis-Martin Rousseau. (2013). The vehicle routing problem with hard time windows and stochastic service times. PolyPublie (École Polytechnique de Montréal). 1–23. 2 indexed citations

20.

Rei, Walter, Michel Gendreau, & Patrick Soriano. (2007). Local Branching Cuts for the 0-1 Integer L-Shaped Algorithm. PolyPublie (École Polytechnique de Montréal). 7 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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