Hilton José Silva de Azevedo

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This chapter introduces the design and implementation of a multiagent system based on a collaborative online learning environment (COLE). The purpose of developing such an environment is to improve social competences along with traditional content-related ones in lifelong learning. As educators would be unable to handle the huge amount of data concerning(More)
Whilst we have a number of techniques for building multiagent systems, such techniques assume that the number and role of each agent in the system is known a priori. Unfortunately it is rarely the case in practice, in particular when trying to build multiagent knowledge management systems in R&D environments exhibiting a high rate of turnover. Thus, we need(More)
This paper concerns the relationship between agents or multi-agent systems and distributed communities of practice. It presents a review of a number of agent and multi-agent applications with features that could contribute to supporting distributed communities of practice. The association is promising because of features like autonomy, pro-activity,(More)
This paper discusses a tool to study the relations among group members of a social network that evolve using a virtual environment. Understanding how these relations are built and maintained is essential to foster favorable conditions that can facilitate collective and individual learning. The focus of interest is how inner relations affect both the(More)
This paper presents a certified confidence model which aims to ensure credibility for information exchanged among agents which inhabit an open environment. Generally speaking, the proposed environment shows a supplier agent b which delivers service for a customer agent a. The agent a returns to b a crypto-graphed evaluation r on the service delivered. The(More)
Although good content correctness can be observed on the web, one may have difficulty finding a set of entries covering a complete syllabus of a course with a coherent pedagogic approach. We conducted an experiment to test the hypothesis if a collection of didactic contents can be discussed, distributed and produced by an online community of teachers(More)