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We are the Navigators, a research team on distributed systems, their architectures, their algorithms, in their several skins: fault tolerance, real-time, security, and combinations thereof.

We also pursue the quest for the right balance between science and technology. Some people say that Informatics (a.k.a. computer science and engineering) belongs to a new breed, of what are called techno-sciences. We believe that techno-scientists should accompany theoretical mastery with a deep knowledge of their environment — computer technology — as well as astro-physicists know the sky, or marine biologists know the sea.

We study new theories to explain distributed systems, and new algorithms to take advantage from them. But we also like to do proof-of-concept experiments about the theory we work on. We try that our papers and theses tell a good story as clearly as possible. We work hard for our demonstrations to be convincing and captivating. Because we believe science is made for others.

Our greatest riches are our culture, and our researchers and students. If you believe in the former, you can become one of the latter. Welcome!

Announcements

  • (1/Oct/2017) NavTalks seminars have started for a new year of discussions!



Latest publications

  • André Nogueira, Miguel Garcia, Alysson Bessani, Nuno Ferreira Neves, “On the Challenges of Building a BFT SCADA,”, in Proceedings of the International Conference on Dependable Systems and Networks (DSN), 2018, pp. 8.

  • Arjuna Sathiaseelan, Mennan Selimi, Carlos Molina, Adisorn Lertsinsrubtavee, Leandro Navarro, Felix Freitag, Fernando Ramos, Roger Baig, “Towards Decentralised Resilient Community Clouds”, in 2nd Workshop on Middleware for Edge Clouds & Cloudlets, Nov. 2017.

Events

[1] What: NavTalk, When: Tue 2018-Feb-7, 12pm, Where: room 6.3.38

Miguel Garcia presents BFT-controllers for Intrusion-tolerant systems
Fernando Ramos presents Logically centralising the Software-Defined Network


[2] What: NavTalk, When: Tue 2018-Jan-17, 12pm, Where: room 6.3.38

José Rufino presents NORTH - Non-intrusive Observation and RunTime verification of cyber-pHysical systems
António Casimiro presents Membership-based Maneuver Negotiation in Safety-critical Vehicular Systems


Past Navtalk Events
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