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- Bringing underused learning objects to the light: a multi-agent based approachPublication . Behr, André; Cscalho, José; Mendes, Armando B.; Guerra, Hélia; Cavique, Luís; Trigo, Paulo; Coelho, Helder; Vicari, RosaThe digital learning transformation brings the extension of the traditional libraries to online repositories. Learning object repositories are employed to deliver several functionalities related to the learning object’s lifecycle. However, these educational resources usually are not described effectively, lacking, for example, educational metadata and learning goals. Then, metadata incompleteness limits the quality of the services, such as search and recommendation, resulting in educational objects that do not have a proper role in teaching/learning environments. This work proposes to bring an active role to all educational resources, acting on the analysis generated from the usage statistics. To achieve this goal, we created a multi-agent architecture that complements the common repository’s functionalities to improve learning and teaching experiences. We intend to use this architecture on a repository focused on ocean literacy learning objects. This paper presents some steps toward this goal by enhancing, when needed, the repository to adapt itself.
- Modelação computacional baseada em agentes : enfrentar a complexidadePublication . Coelho, HelderA análise dos sistemas sociais e dinâmicos assiste a uma mudança de paradigma, dos métodos matemáticos tradicionais para a simulação baseada em agentes. Trata-se de uma nova linha de pensar, interdisciplinar, onde abundam inovações metodológicas e conceptuais, e onde se criam sociedades artificiais com agentes individuais e inteligentes que se comportam como seres humanos muito simples e plausíveis. Neste artigo abordam-se os modelos desses agentes e os modos como regras simples de interacção social local geram explicações de comportamentos complexos. Através de dois exemplos (inovação tecnológica num parque de ciência e desenho de políticas de tributação), mostra-se como as ferramentas Swarm e NetLogo foram exploradas para modelar os mundos reais.