Plenary & Keynote & Mini-Courses

MINI-COURSE: Heuristics for Vehicle Routing Problems: Current Trends and Challenges
=> VeRoLog PhD school / ODYSSEUS'18, Cagliary, Italy, June 1st-2nd, 2018. (Slides)
=> SBPO'18, Rio de Janeiro, Brasil, August 6-9th, 2018. (Slides1) (Slides2)

SOICT'17, Nha Trang, Vietnam, December 7-8, 2017:
Heuristics for vehicle routing problems: Current challenges and future prospects (Slides)

SBPO'17, Blumenau, Brazil, August 27-30, 2017:
Separable Convex Optimization with Nested Lower and Upper Constraints (Slides)

WACOM'16, Ouro Preto, Brazil, March 21-23, 2016:
Phase Unwrapping and Operations Research (Slides)

MINI-COURSE: Multi-Attribute Vehicle Routing Problems
=> ANPET, Belém, Para, Brazil, November 4-8th, 2013. (Slides) (Slides)

Seminars

Vidal T. HG-means: A scalable hybrid metaheuristic for minimum sum-of-squares clustering.
=> Universität Wien, Austria, December 20th, 2018. (Slides)

Vidal T. Separable convex optimization with nested lower and upper constraints.
=> CODeS research group -- KU Leuven, Ghent, Belgium, March 29th, 2017. (Slides)

Vidal T. Phase unwrapping and operations research.
=> Universität Wien, Austria, December 19th, 2016.
=> GERAD, Montréal, Canada, February 4th, 2016. (Slides)

Vidal T. Linear Split and Applications
=> University of Brescia, Italy, September 21h, 2016 (Slides)

Vidal T. Arc Routing, Vehicle Routing, and Turn Penalties.
=> University of Bologna, Italy, May 31h, 2016. (Slides)
=> University of Florence, Italy, May 27h, 2016
=> University of Brescia, Italy, May 26h, 2016

Vidal T. Vehicle routing optimization: Unified algorithms and challenges.
=> Amazon Research, Seattle, USA., January 28th, 2015.

Vidal T. Nested resource allocation, speed optimization, and other related problems
=> Universität Wien, Austria, June 12th, 2014.

Vidal T. Vehicle routing problems: new variants, unified methods and challenges
=> University of Maryland, Robert H. Smith School of Business, U.S.A., April 4th, 2014.

Vidal T. Online Traveling Salesman with Duration and Distance Considerations
=> Universität Wien, Austria, October 30th, 2013.

Vidal T. On unified methods or multi-attribute VRPs, route evaluation operators and large neighborhoods
=> Wirtschaftsuniversität Wien -- WU, Austria, December 2th, 2013. (Slides)
=> Université Paris XIII, France, October 26th, 2013.
=> Universität Wien, Austria, October 15th, 2013.

Vidal T. Hours of service regulations in road freight transport: an optimization-based international assessment.
=> Escola de Matemática Aplicada, Fundação Getulio Vargas, Rio de Janeiro, Brazil, November 6th, 2014.
=> Universidade Federal Fluminense, Niteroi, Brazil, March 27th, 2013. (Slides)
=> Universidade Federal da Paraíba, Brazil, March 15th, 2013.

Vidal T. Multi-attribute vehicle routing: unified metaheuristics and timing sub-problems.
=> CORMSIS Seminar, University of Southampton, England, February 21th, 2013. (Slides)
=> Universität Wien, Vienna, Austria, December 3rd, 2012.
=> Johannes Kepler University, Linz, Austria, November 29th, 2012.

Vidal T. Metaheuristics for vehicle routing: general-purpose resolution, new challenges and winning strategies.
=> Public University of Navarra, Pampelona, Spain, December 17th, 2012. (Slides)
=> Salzburg Research, Salzburg, Austria, November 28th, 2012.

Vidal T. Timing problems and vehicle routing.
=> Universidade Federal Fluminense, Niteroi, Brazil, October 1st 2012.
=> Journée du GT Transport et Logistique , Toulouse, France, December 6th 2011. (Slides)

Vidal T. A hybrid genetic approach to tackle rich vehicle routing problems.
=> Journée du GT Transport et Logistique , Paris, France, June 14th, 2011. (Slides)
=> Séminaire du Laboratoire d?Optimisation des Systèmes Industriels , Troyes, France, May 11th, 2011.
=> Séminaire conjoint du CIRRELT avec la Chaire de recherche du Canada en distributique et la Chaire de recherche du Canada en logistique et en transport, Montréal, Canada, April 14th 2010.
=> Journée de la chaire de recherche industrielle du CRSNG en management logistique, Montréal, Canada, November 13th, 2009.

Conferences (stopped maintaining after 2016)

ROADEF'16, Compiègne, France, February 10-12, 2016:
I. Herszterg, M. Poggi, T. Vidal
Combinatorial Optimization and 2D Phase Unwrapping

ROADEF'16, Compiègne, France, February 10-12, 2016:
G. Hiermann, J. Puchinger, R.F. Hartl, T. Vidal
Tour planning with a hybrid heterogeneous electric fleet

ROADEF'16, Compiègne, France, February 10-12, 2016:
T. Vidal
Larger Neighborhoods for Capacitated Arc Routing Problems

INFORMS'15, Philadelphia, USA, November 1-4, 2015:
T. Vidal
Arc Routing, Vehicle Routing and Turn Penalties

INFORMS'15, Philadelphia, USA, November 1-4, 2015:
Kramer, R., Maculan, N., Subramanian, A., Vidal, T.
Pollution-routing Problems with Speed and Departure Time Optimization

INFORMS'15, Philadelphia, USA, November 1-4, 2015:
I. Herszterg, M. Poggi, T. Vidal
Phase Unwrapping: Attacking the Problem with Operations Research

OR'15, Vienna, Austria, September 1-4, 2015:
M. Romauch, R. Hartl, T. Vidal
The Lateral Transhipment Problem for A Priori Routes and Piecewise Linear Profits (Slides)

OR'15, Vienna, Austria, September 1-4, 2015:
G. Hiermann, R. Hartl, J. Puchinger, T. Vidal
Effects of City Center Restriction Policies on the Tour Planning of Hybrid Heterogeneous Fleets

SBPO'15, Porto de Galinhas, Brazil, August 25-28, 2015:
M. Haddad, T. Vidal, R. Hartl, L.S. Ochi, M. Souza
Uma Estratégia Heurística para o Problema de Roteamento de Veículos com Coleta e Entrega Fracionadas Um-para-um

SBPO'15, Porto de Galinhas, Brazil, August 25-28, 2015:
R. Capua, Y. Frota, T. Vidal, L.S. Ochi
Um algoritmo heurístico para o problema de bin packing com conflitos

SBPO'15, Porto de Galinhas, Brazil, August 25-28, 2015:
F. Galaxe, A. Pessoa, T. Vidal
Um Algoritmo Genético com Desconstrução e Reconstrução Parcial da Solução para o Problema de Layout de Facilidades com Áreas Diferentes

ISMP'15, Pittsburgh, U.S.A. July 12-17, 2015:
I. Herzterg, M. Poggi, T. Vidal
The Minimum Spanning Forest with Balance Constraints Problem (MSFBC) (Slides)

EURO'15, Glasgow, U.K. July 12-15, 2015:
U. Breunig, V. Schmid, R. Hartl, T. Vidal
A Fast Large Neighbourhood based Heuristic for the Two-Echelon Vehicle Routing Problem

COR-INFORMS'15, Montreal, Canada, June 14-17, 2015:
I. Herzterg, M. Poggi, T. Vidal
2D Phase Unwrapping Problem (2DPU) via Minimum Spanning Forest with Balance Constraints (Slides)

VEROLOG'15, Vienna, Austria, June 8-10, 2015:
T. Vidal and A. Goel
Combined Vehicle Routing and Crew Scheduling with Hours of Service Regulations (Slides)

VEROLOG'15, Vienna, Austria, June 8-10, 2015:
M.N. Haddad, T. Vidal, R. Hartl, L.S. Ochi, M.J.F. Souza
The Pickup and Delivery Problem with Split Loads: A Random Variable Neighborhood Descent Heuristic

VEROLOG'15, Vienna, Austria, June 8-10, 2015:
M. Romauch, R. Hartl, T. Vidal
A Priori Route Evaluation for the Lateral Transhipment Problem with Piecewise Linear Profits

VEROLOG'15, Vienna, Austria, June 8-10, 2015:
G. Hiermann, R. Hartl, J. Puchinger, T. Vidal
Hybrid Heterogeneous Fleet Routing with City Center Restrictions (Slides)

ODYSSEUS'15, Ajaccio, France, June 1-5, 2015:
Vidal, T.
Structural decompositions and large neighborhoods for node, edge and arc routing problems (Slides)

ODYSSEUS'15, Ajaccio, France, June 1-5, 2015:
G. Hiermann, R.F. Hartl, J.Puchinger and T. Vidal
Hybrid Heterogeneous Electric Vehicle Routing Problem with Time Windows and recharging stations (Slides)

ODYSSEUS'15, Ajaccio, France, June 1-5, 2015:
R. Capua, Y. Frota, L.S. Ochi and T. Vidal
A bin packing problem with conflicts arising in hazardous materials transportation

INFORMS'14, San Francisco, USA, November 9-12, 2014:
Vidal, T., M. Battarra, G. Erdogan, A. Subramanian
Hybrid Metaheuristics and Large Neighborhoods for the Clustered Vehicle Routing Problem

INFORMS'14, San Francisco, USA, November 9-12, 2014:
Vidal, T., P. Jaillet, N. Maculan
An Efficient Algorithm for the Nested Resource Allocation Problem

SBPO'14, Salvador, Brazil, September 16-19, 2014:
Subramanian, A., N. Maculan, R. Kramer, T. Vidal
O Pollution-Routing Problem com saídas tardias do depósto: uma nova abordagem para redução de custos.

OR'14, Aachen, Germany, September 2-5, 2014:
Hiermann, G., T. Vidal, J. Puchinger, R. Hartl
A Rich Electric Fleet Size and Mix Problem

VEROLOG'14, Oslo, Norway, June 22-25, 2014:
Vidal, T., P. Jaillet
On-line traveling salesman with duration and distance considerations

VEROLOG'14, Oslo, Norway, June 22-25, 2014:
Breunig, U., V. Schmid, R.F. Hartl, T. Vidal
A simple but effective LNS for the 2-Echelon VRP

ROUTE'14, Snekkerstern, Denmark, June 1-4, 2014:
Uchoa, E., D. Pecin, A. Pessoa, M. Poggi, A. Subramanian, T. Vidal
New Benchmark Instances for the Capacitated Vehicle Routing Problem.

ROUTE'14, Snekkerstern, Denmark, June 1-4, 2014:
Vidal, T., P. Jaillet, N. Maculan
A new polynomial algorithm for nested resource allocation, speed optimization and other related problems. (Slides)

INFORMS'13, Minneapolis, USA, October 6-9, 2013:
Vidal, T., P. Jaillet.
On-line traveling salesman with duration and distance considerations.

SBPO'13, Natal, Brazil, September 16-19, 2013:
Vidal, T., N. Maculan, L.S. Ochi, P.H. Penna.
Large neighborhoods with implicit customer selection for prize-collecting vehicle routing and team-orienteering problems.

OR'13, Rotterdam, Netherlands, September 3-6, 2013:
Goel, A., T. Vidal.
Refinements for solving the Vehicle Routing and Truck Driver Scheduling Problem.

MIC'13, Singapore, R.S., August 5-8, 2013:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Unified Solution Approaches for Vehicle Routing Problems.

VEROLOG'13, Southampton, UK, July 8-10, 2013:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
On Unified Methods for Multi-attribute VRPs, Route Evaluation Operators and Large Neighborhoods

EURO'13, Rome, Italy, July 1-4, 2013:
Vidal, T., N. Maculan, L.S. Ochi, P.H. Penna.
Large neighborhoods for prize-collecting vehicle routing and other related problems

EURO'13, Rome, Italy, July 1-4, 2013:
Battarra, M., G. Erdogan, A. Subramanian, T. Vidal.
Metaheuristics for the Clustered VRP

EURO'13, Rome, Italy, July 1-4, 2013:
Penna, P.H., T. Vidal, A. Subramanian, L.S. Ochi, C. Prins
Compound Neighborhood Structures for Heterogeneous Vehicle Routing Problems

NOW'13, Syracuse, Italy, June 26-28, 2013:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Unified Metaheuristics and Large Neighborhoods for Multi-Attribute VRPs

Optimization Days 2013, Montréal, Canada, May 6-8, 2013:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Unified Metaheuristics and Large Neighborhoods for Multi-Attribute VRPs

CMS'13, Montréal, Canada, May 1-3, 2013:
Prillard, M., C. Duhamel, A. Santos, T. Vidal.
A Time-Constrained Shortest Path Problem with Stochastic Costs.

ROADEF 2013, Troyes, France, February 13-15, 2013:
Cattaruzza D., Absi N., Feillet D., Vidal T.
A Hybrid Genetic Method for the Multi Trip Vehicle Routing Problem

ROADEF 2013, Troyes, France, February 13-15, 2013:
Goel A., Vidal T.
An international assessment of hours of service regulations in road freight transport

ROADEF 2013, Troyes, France, February 13-15, 2013:
Prillard M., Duhamel C., Santos A.C., Vidal T.
Problème du plus court chemin avec pénalités stochastiques et des contraintes sur le temps de trajet

ROADEF 2013, Troyes, France, February 13-15, 2013:
Vidal, T., Crainic, T.G., Gendreau M., Prins C.
Heuristiques unifiées pour les problèmes de tournées de véhicules multi-attributs

INFORMS'12, Phoenix, USA, October 14-17, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
A General-Purpose Heuristic for Multi-Attribute Vehicle Routing Problems

CLAIO/SBPO?12, Rio de Janeiro, Brazil, Sept 24-28, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
An Empirical Analysis of Time-Window Relaxations in Vehicle Routing Heuristics

EURO 2012, Vilnius, Lithuania, July 8-11, 2012:
Vidal, T., H. Dubedout, R. Masson, J. Michallet, P.H.V. Penna, V. Petrucci, A. Subramanian
A Hybrid Large Neighborhood and Local Search for the Machine Reassignment Problem

EURO 2012, Vilnius, Lithuania, July 8-11, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
A Unified Hybrid Genetic Search for Vehicle Routing Problems

VEROLOG 2012, Bologne, Italy, June 18-20, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Timing Problems and Vehicle Routing

ODYSSEUS 2012, Mykonos, Greece, May 21-25, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
A General-Purpose Heuristic for Multi-Attribute Vehicle Routing Problems (Slides)

IWOLIA 2012, Troyes, France, May 15, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Résolution généraliste de problèmes de tournées de véhicules

Optimization Days 2012, Montréal, Canada, May 7-9, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Timing Problems and Rich Vehicle Routing (Slides)

Optimization Days 2012, Montréal, Canada, May 7-9, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
A Unified Hybrid Genetic Search for Vehicle Routing Problems

ROADEF 2012, Angers, France, April 11-13, 2012:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Problèmes de Timing et Tournées de Véhicules

INFORMS 2011, Charlotte, USA, November 13-16, 2011:
Vidal, T., T.G. Crainic, M. Gendreau, C. Prins
Timing problems and vehicle routing

INFORMS 2011, Charlotte, USA, November 13-16, 2011:
Crainic, T.G., M. Gendreau, N. Lahrichi, W. Rei, T. Vidal
Integrative Cooperative Search

INFORMS 2011, Charlotte, USA, November 13-16, 2011:
Gendreau, M., T. Vidal, T.G. Crainic, N. Lahrichi, W. Rei.
A hybrid genetic algorithm for multi-depot and periodic vehicle routing problems

MIC 2011, Udine, Italy, July 25-28, 2011:
Vidal, T., A. Goel
A Hybrid Genetic Algorithm for Combined Vehicle Routing and Truck Driver Scheduling

MIC 2011, Udine, Italy, July 25-28, 2011:
Gendreau, M., T. Vidal, T.G. Crainic, N. Lahrichi, W. Rei.
A hybrid genetic algorithm for multi-depot and periodic vehicle routing problems

IFORS 2011, Melbourne, Australia, July 10-15, 2011:
Gendreau, M., T. Vidal, T.G. Crainic, N. Lahrichi, W. Rei.
A hybrid genetic algorithm for multi-depot and periodic vehicle routing problems

ROUTE 2011, Sitges, Spain, May 31-June 3, 2011:
Gendreau, M., T. Vidal, T.G. Crainic, N. Lahrichi, W. Rei.
A hybrid genetic algorithm for multi-depot and periodic vehicle routing problems

ROADEF 2011, Saint-Etienne, France, March 2-4, 2011:
Vidal, T., El Hachemi, N., Crainic, T.G., Gendreau, M., Rei, W.
Intégration de solutions partiellement optimisées, application à un problème de tournées de véhicules riche

INFORMS 2010, Austin, Texas USA, November 7-10, 2010:
Vidal, T., Crainic, T.G., Gendreau M., Prins, C.
Infeasible solutions management in vehicle routing problems with hard time windows

EURO XXIV, Lisbon, Portugal, July 11-14, 2010:
Vidal, T., Crainic, T.G., Gendreau M., Lahrichi, N., Rei, W.,
Memetic algorithm with diversity enhancement: an efficient approach for hard multi-attribute vehicle routing problems

Optimization Days, Montréal, Canada, May 10-12, 2010:
Vidal, T., Crainic, T.G., Gendreau M., Lahrichi, N., Rei, W.,
A memetic algorithm with diversity enhancement for a class of rich vehicle routing problems

Optimization Days, Montréal, Canada, May 10-12, 2010:
El Hachemi, N., Crainic, T.G., Gendreau M., Lahrichi, N., Rei, W., Rousseau, L-M., Vidal, T.,
Integrating Partial Solutions within ICS

POMS, Vancouver, Canada, May 7-10, 2010:
Crainic, T.G., Gendreau M., Lahrichi, N., Rei, W., Vidal, T.,
Integrative Cooperative Search for Rich VRP

ROADEF 2011, Toulouse, France, February 24-26, 2010:
Vidal, T., Crainic, T.G., Gendreau M., Lahrichi, N., Rei, W.,
Un algorithme génétique hybride pour des problèmes de tournées de véhicules multi-attributs (Abstract (FR) PDF) ; (Slides (FR) PDF)

ROADEF, Toulouse, France, February 24-26, 2010:
Crainic, T.G., Gendreau M., Lahrichi, N., Rei, W., Vidal, T.,
Résolution de problèmes combinatoires riches par l'approche coopérative de décomposition par attributs

DOMinant Workshop, Molde, Norvège, September 20-22, 2009:
Crainic, T.G., Crisan, G.C., Gendreau M., Lahrichi, N., Rei, W., Vidal, T.,
Multi-thread Integrative Cooperative Optimization for Rich VRP

DOMinant Workshop, Molde, Norvège, September 20-22, 2009:
Crainic, T.G., Crisan, G.C., Gendreau M., Lahrichi, N., Rei, W., Vidal, T.,
Applying the Multi-thread Integrative Cooperative Metaheuristic Optimization Approach: A Case Study Using Rich Vehicle Routing Problems

GECCO : Genetic and Evolutionary Computation Conference, Montréal, Canada, June 8-12, 2009 :
Crainic, T.G., Crisan, G.C., Gendreau M., Lahrichi, N., Rei, W., Vidal, T.,
A Concurent Evolutionary approach for Rich Combinatorial Problems