Ramalhinho H. (2014), A Polynomial Algorithm for a Special Case of the One-Machine Scheduling Problem with Time-Lags,  The 4th of the International Conference on Engineering Optimization, September 8-11, 2014 Lisbon, Portugal. (EngOpt 2014).

Ramalhinho Lourenço, H., Juan, A.A., Grasas, “SimILS: Solving Stochastic Combinatorial Optimization Problems by Combining Iterated Local Search with Simulation” in 20th Conference of the International Federation of Operational Research Societies, July 13-18, 2014, Barcelona, Spain. (IFORS 2014).

Lourenço, H.R., Grasas, A., “Teaching VRP in Business Schools” in 2013 26th EURO European Conference on Operational Research (EURO), Roma, Italy, July 1-4, 2013.

2012

Lourenço, H.R., Grasas, A., Pessoa, L., Resende, M. “Solving a real application of the Time-Constraint Open Vehicle Routing Problem” in 2012 25^th EURO European Conference on Operational Research (EURO), Vilnius, Lithuania, July 8-11, 2012.

Lourenço, H.R., Grasas, A., Cáceres-Cruz, J., Juan, A.A., Roca, M. “A Randomized Hybrid Algorithm based on Saving and Vehicle Assignment Policies for the Heterogeneous Vehicle Routing Problem” in 2012 VEROLOG (Verolog), Bologna, Italy, June 18-29, 2012.

 Lourenço, H.R., Juan, A.A., Grasas, A., Cáceres-Cruz, J., Roca, M. “A Randomized Savings Metaheuristic for the Heterogeneous Fleet Multitrip VRP” in IN3-HAROSA Workshop (Harosa), IN3, UOC, Barcelona, Spain, June 13-15, 2012.

2011

Lourenço, H.R., Juan, A. A., Faulin, J., Ferrer, A., and Barros, B. (2013) “MIRHA: Multi-Start Biased Randomization Heuristics for Solving Non-Smooth Routing Problems” in 2011 IN3-HAROSA Workshop (HAROSA), Barcelona, Spain, July 18-19, 2011.

Lourenço, H.R.,Juan, A. A., Faulin, J., Ferrer, A., and Barros, B. “Multi-Start Biased Randomization Heuristics for Solving Non-Smooth Routing Problems” in Optimization (Optimization), Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal, July 24-27, 2011. (Program Committee)

2010

Lourenço, H.R. “An ILS to solve a Multiobjective Integrated Distribution Problem” in 2010 IN3-HAROSA Workshop (HAROSA), Barcelona, Spain, November 22-23, 2010.

Lourenço, H.R. “Matheuristics. Optimized Search Heuristics” in Numerical Optimization and Applications in Engineering, Centred e Recerca Matemática (CRM), Bellaterra, Spain, October 13-15, 2010.

Lourenço, H.R. “An Iterated Local Search to solve a Multiobjective Integrated Distribution Problem” in EURO XXIV (EURO 2010), Lisbon, Portugal, July 11-14, 2010.

2009

 Lourenço, H.R., Fernandes, S. “A GRASP heuristic for the Total Weighted Tardiness Job-Shop Scheduling Problem” in MIC 2009 - VIII Metaheuristic International Conference (MIC 2009), Hamburg, Germany, July 13-16, 2009. (Program Committee)

2008

Lourenço, H.R. “Secuenciación de trabajos: de la teoría a la práctica” in JICAM 2008, Valencia, Spain, September 25, 2008. (invited presentation)

2007

Lourenço, H.R., Fernandes, S. “Optimized Search Heuristics – A survey” in Optimization 2007, Porto, Portugal, July 22-25, 2007. (invited presentation) (Program Committee).

Lourenço, H.R., Fernandes, S. “GRASP and Branch and Bound - A Simple Hybrid Metaheuristic for the Job-Shop Scheduling Problem” in The 7^th European Conference on Evolutionary Computation in Combinatorial Optimization (EvoCOP2007), Valencia, Spain, 11-13 April, 2007.

Lourenço, H.R., Fernandes, S. “Hybrids combining Local Search Heuristics with Exact Algorithm” in V Spanish Congress in Metaheuristics, Evolutive and Bioinspired Algorithms (MAEB'07), Puerto de La Cruz, Tenerife, Spain, 14-16 February, 2007. (invited presentation) (Program Committee)

2006

Lourenço, H.R., Soto, J.P. “A heuristic for the collaborative Production Planning Model with returns” in 21st European Conference on Operational Research (EURO 2006), Reijkavik, Iceland, July 2-5, 2006. (invited presentation)

2005

Lourenço, H.R., Ribeiro, R., “Multiobjective metaheuristics for integrated logistics problems”, CEDI’2005 (I Congreso Español de Informática), IV Congreso Español sobre Metaheurísticas, Algoritmos Evolutivos y Bioinspirados, MAEB’2005, Granada, Spain, September 13-16, 2005. (Program Committee)

Lourenço, H.R., Soto, J.P. “An heuristic for the collaborative production planning model with returns”, CEDI’2005 (I Congreso Español de Informática),  IV Congreso Español sobre Metaheurísticas, Algoritmos Evolutivos y Bioinspirados, MAEB’2005, Granada, Spain, September 13-16, 2005. (Program Committee)

Lourenço, H.R., Giménez, C.“A review on e-SCM topics”, 8^th Decision Sciences Institute International Conference (DSI’05), IESE, Barcelona, Spain, July 3-6, 2005.

Lourenço, H.R., Ribeiro, R., “A new model and heuristic for a multi-period inventory-routing problem”, 8^th Decision Sciences Institute International Conference (DSI’05), IESE, Barcelona, Spain, July 3-6, 2005.

2004

Lourenço, H.R. “Enseñar metaheurísticas en Facultades o Departamentos de Economía y Empresa” (Teaching Metaheuristics at Business and Economic Schools), III Congreso Español de Metaheurísticas, Algoritmos Evolutivos y Bioinspirados (Third Spanish Congress in Metaheuristics, Evolutive and Bioinspired Algorithms), Córdoba, Spain, February 4-6, 2004. (Program Committee)

2003

Lourenço, H.R., Ribeiro, R., “Inventory-Routing Problem, for a multi-period problem with stochastic and deterministic demand”, II Congreso Español de Metaheurísticas, Algoritmos Evolutivos y Bioinspirados (Second Spanish Congress in Metaheuristics, Evolutive and Bioinspired Algorithms), Gijón, Spain, February 5-7, 2003. (Program Committee)

2002

Lourenço, H.R., Ribeiro, R., “Inventory-routing model for a multi-period with stochastic and deterministic demand”, INFORMS Annual Meeting (IAM’02), San Jose, California, U.S.A., November 17-20, 2002. (Invited presentation)

Lourenço, H.R. “Adaptive heuristics for the generalized assignment problem”, I Congreso Español de Algoritmos Evolutivos y Bioinspirados (First Spanish Congress in Evolutive and Bioinspired Algorithms), Merida, Spain, February 6-7, 2002. (Program Committee)

2001

Lourenço, H.R., Ribeiro, R., “A Multiobjective Model for a Multi-period Distribution Management Problem”, First International Conference on Integrated Logistics, Singapore, August 22-24, 2001.

Lourenço, H.R., Martin, O., Stützle, T. “A Beginner’s Introduction to Iterated Local Search”, 4^th Metaheuristics International Conference (MIC’01), Porto, Portugal, July 16-20, 2001. (Program Committee and Session Organizer).

Lourenço, H.R., Ribeiro, R., “A Multiobjective Model for a Multi-period Distribution Management Problem”, 4^th Metaheuristics International Conference (MIC’01), Porto, Portugal, July 16-20, 2001. (Program Committee and Session Organizer).

Lourenço, H.R. “Supply Chain Management: an opportunity for metaheuristics”, International Conference on Adaptive Memory and Evolution: Tabu Search and Scatter Search, Oxford, Mississippi, March 7-10, 2001. (Invited presentation).

2000

Lourenço, H.R., Paixão, J.P., Portugal, R. “Multiobjectives metaheuristics for the bus-driver scheduling problem”, International Symposium on Mathematical Programming, Atlanta, U.S.A., August 7-11, 2000. (Invited presentation) “Optimized search heuristics”, Computing in Economics and Finance, Barcelona, Spain, July 6-8, 2000.

Martí, R., Lourenço, H.R., Laguna, M. “Exam proctor assignment”, INFORMS Computing Society Conference, Cancun, Mexico, January 5-7, 2000.