R&D lab in computer and software engineering

The CCISEL (ISEL Centro de Cálculo) was founded as an autonomous organization in 1975, and was responsible for promoting ISEL in the study of digital systems, microprocessors and computer science and engineering. Our activities are carried out in three core areas:
  • Expertise advisory, research and development
  • Technological training courses
  • Pedagogical activity
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Programming

PRODIGI: Formação online em competências digitais

O CCISEL faz parte da equipa de docentes que dará em 2025, a formação online PRODIGI (PROgramação, informação e cidadania DIGItal). Esta formação é disponibilizada pelo Instituto Politécnico de Lisboa e pela...
Cátia Vaz
Software Engineer
Programming

Progressive Server-Side Rendering with Suspendable Web Templates

At the 25th International Conference on Web Information Systems Engineering (WISE) in Qatar, Miguel Gamboa presented a groundbreaking approach to Progressive Server-Side Rendering (PSSR). This paper introduces an innovative method to enhance...
Miguel Gamboa
Software Developer
Programming

Kotlin Meetup Lisbon - Mutability: Necessity or Habit

On October 3rd, 2024, the Kotlin Lisbon Meetup held its 9th edition, marking the first gathering after the summer break. The event took place at the Mercedes-Benz.io offices in Lisbon. The meetup...
Paulo Pereira
Software Engineer
Concurrent Programming

Entrevista do Paulo Pereira ao Sapo

Recentemente, o portal SAPO publicou uma entrevista com o Paulo Pereira, membro do CCISEL, onde foram partilhadas as suas atividades e experiências sobre o ensino através de plataformas digitais, nomeadamente o Twitch...
Paulo Pereira
Software Engineer
java

Enhancing SSR in Low-Thread Web Servers

Naive server-side rendering (SSR) techniques require a dedicated server thread per HTTP request, thereby limiting the number of concurrent requests to the available server threads. Furthermore, this approach proves impractical for modern...
Miguel Gamboa
Software Developer