2015 Annual professional review


One year has passed since my decision on December, 2014 to focus a bit more in my academic career.

In the beginning I had to review my schedule and make a difficult choice: exchanging arts for science –  the piano, keyboard and singing classes were cancelled to make room for research meetings in the Lab.

Now I look back and feel that it was a decision definitely worth making. I have much more academic achievements  this year than in the past five years. Moreover, there is art in science! As said in the quote by Edward G. Bulwer-Lytton featured in a chapter opening in my PhD Thesis:

“Art and science have their meeting point in method.”

For the upcoming year the goal is to keep the pace and deliver more.

This is what I wish for me, for my friends and coworkers and for the ones who helped me carry out these achievements bellow!


Research,Work,Publication,Lectures and presentations,Language skill improvement,Tuition and advisory


The ANPET 2015 scientific production award

Certificado Prêmio ANPET 2015

The fact

I am very happy to announce that on last Wednesday, November 11, I went to Ouro Preto, Brazil to get the ANPET 2015 Scientific production award. I won this prize, together with three other fellows from GEMMAH, for the first paper produced in our current scientific research.

The paper

The paper title is A MATHEMATICAL MODEL BASED ON OPEN VEHICLE ROUTING PROBLEM (OVRP) TO THE EMPLOYEES TRANSPORTATION PLANNING BY A CHARTERED BUS FLEET [translated from Portuguese]. It presents a solution to optimize the bus routes and fleets contracted to take employees from their homes to work and vice versa. We won the award because our paper has been selected as one of the best ones on “models and transportation planning techniques” submitted to the XXIX ANPET Congress.

The story

Rayane Scardua

Rayane Scárdua

To celebrate this achievement I will tell the story in 6 short steps:

  1. The story started from a draft I have conceived to model the related transportation problem, inspired in the real life scenario;
  2. In an advisory session, I suggested this theme to my former supervised internship Rayane Scárdua as her end-of-graduation-course paper;
  3. In order to give the proper academic bias to the research I have suggested Dr. Rodrigo Rosa as her formal supervisor in this work, as he was a teacher in the same department and University where Rayane used to take her graduation course. Rodrigo promptly joined us in this challenge and, to our complete surprise, we found out that his Master Thesis, presented more than a decade before, had exactly the same theme!
  4. Working on Rodrigo´s supervision and on my co-supervision, Rayane worked hard and developed a formal model to the problem and solved it for a set of instances using CPLEX® Optimization Software Package;
  5. The next step was to show that the proposed method could produce significant savings, if applied to produce bus routes and fleet sizing in a real live problem. That was accomplished collecting real life data and comparing with the solution obtained in the lab. With quite outstanding results, Rayane presented her top scoring paper to finish her graduation course;
  6. The last step was to review Rayane´s paper and test cases and submit it to ANPET 2015 Conference. We counted on Lirielly to help us in this last phase.

Some weeks later … there came the paper approval for the Conference and then the award nomination! Unfortunately Rayane could not attend to the event but the other three members of the team were there, together once more, at that time to get the certificates.

I could not end up this post without expressing my gratitude to Rayane Scárdua, Rodrigo Rosa and Lirielly Vitorugo for giving me the chance of working together with them to produce this awarded paper. Their wise questions and their hard work surely were decisive contributions to this achievement and to my knowledge improvement.

But the work does not stop here! On the contrary, it was merely the first paper produced on this subject and it reports just the first outcome. We are now working on a more robust solution, which produces faster results to larger instances, so we will be able to solve the whole set of real live instances…! As Buzz Lightyear Space Ranger catchphrase says …

“To infinity… and beyond!”

From left to right: Rodrigo, Lirielly and I



Joined a Research Group

GEMMAH research group

Joined GEMMAH (Grupo de Estudo de Modelagem Matemática e Heurísticas), a research group to propose and apply mathematical models and heuristics to operational research and simulation to transportation systems.

This reserach group is formally registered at the National Council for Scientific and Technological Development (CNPq), Ministry of Science Agency, Technology and Innovation (MCTI),  a government council whose main duties are to foster scientific and technological research and encourage the formation of Brazilian researchers.

Reasearch group location: Universidade Federal do Espírito Santo – UFES