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- J. Sarubbi, G. Miranda, H.P. Luna, G. Mateus
- 2008 IEEE International Conference on Service…
- 2008

This paper presents a Cut-and-Branch algorithm for the Multicommodity Traveling Salesman Problem (MTSP), a useful variant of the Traveling Salesman Problem (TSP). The MTSP presents a more general cost structure, allowing for solutions that consider the quality of service to the customers, delivery priorities and delivery risk, among other possible… (More)

- Cristiano M. Silva, Wagner Meira, Joao F. M. Sarubbi
- IEEE Transactions on Intelligent Transportation…
- 2016

In this article, we describe a strategy for planning the roadside infrastructure for vehicular networks based on the global behavior of drivers. Instead of relying on the trajectories of all vehicles, our proposal relies on the migration ratios of vehicles between urban regions in order to infer the better locations for deploying the roadside units. By… (More)

- Joao F. M. Sarubbi, Henrique Pacca Loureiro Luna, Gilberto de Miranda, Ricardo Saraiva de Camargo
- 7th International Conference on Hybrid…
- 2007

The minimum latency problem, also known as traveling repairman problem, the Deliveryman problem and the traveling salesman problem with cumulative costs is a variant of the Traveling Salesman Problem in which a repairman is required to visit customers located on each node of a graph in such a way that the overall waiting times of these customers is… (More)

- Renan Santos Mendes, Elizabeth F. Wanner, Joao F. M. Sarubbi, Flávio V. C. Martins
- 2016 IEEE 19th International Conference on…
- 2016

Demand Responsive Transport (DRT) systems emerge as an alternative to deal with the problem of variable demand, or even unpredictable, occurring in conventional urban transport systems. It can be seen in some practical situations such as public transport in rural areas, wherein in some situations, there is no way to predict demand. This paper addresses the… (More)

- Cristiano Maciel da Silva, Joao F. M. Sarubbi, Daniel Fonseca Silva, Marcelo Franco Porto, Nilson Tadeu Ramos Nunes
- 2015 IEEE 18th International Conference on…
- 2015

This work presents a mixed load algorithm to solve the School Bus Routing Problem applied to the rural area of a Brazilian city. We use a complete set of real georeferenced data containing 716 students, 23 schools, and the road network. Our goal is to minimize the total traveled distance of a heterogeneous fleet. We compare our strategy to a single load… (More)

- Cristiano M. Silva, Joao F. M. Sarubbi, Wagner Meira
- 2015 IEEE 11th International Conference on…
- 2015

This work presents a novel algorithm for the deployment of roadside units based on partial mobility information. Instead of relying on the individual vehicles trajectories, our proposal relies on the migration ratios between urban regions in order to infer the better locations for the deployment of the roadside units. Our goal is to identify those α… (More)

- Joao F. M. Sarubbi, Caio M. R. Mesquita, Elizabeth F. Wanner, Vinicius F. Santos, Cristiano M. Silva
- NOMS 2016 - 2016 IEEE/IFIP Network Operations and…
- 2016

In this work we tackle the bus stop selection step for the School Bus Routing Problem (SBRP). Our goal is to minimize the number of bus stops in order to assign all students to a bus stop respecting a home-to-bus-stop walking distance constraint. Our strategy creates a large number of possible bus stops points in a road network and uses a pseudo-random… (More)

Gamma Deployment is a metric for evaluating the distribution of roadside units in vehicular networks in terms of two parameters: a) the inter-contact time between vehicles and the infrastructure; and, b) the share of vehicles that must respect the inter-contact time guarantees. We envision the use of the Gamma Deployment metric when the network designer… (More)