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This paper presents a mechanism of coalition formation where agents solve a problem of diagnosis. Our approach considers that a diagnosis may be seen as the result of an emergent process where findings (at a microscopic level) are interpreted by entities (at a macroscopic level). At the micro-level agents interact and form coalitions. At the macro-level(More)
The Baghera project intends to develop theoretical and methodological foundations to guide the computer modelling and conception of learning environments. This paper presents the Baghera platform, which is founded on the principle that the educational function of a system is an emerging property of the interactions organised between its components: agents(More)
User modelling has been a central issue in the development of user-adaptive systems, which behaviour is usually based on the user's preferences, goals, interests and knowledge. This is particularly the case when the user is a student and the system is a computer-based learning environment. The aim of this paper is to present a mechanism for diagnosing and(More)
In this paper some results achieved in the domain of multi-agent methodology applied to educational systems are presented. We have developed a distance learning environment based on a two-level multi-agent architecture. Two-levels are distinguished since the application is composed by two multi-agent systems (MAS). The higher-level MAS is composed of(More)
Preface The future learning environments will be wired and wireless, accessible from anywhere at anytime. Learning in these environments will be distributed in space and time. Standard classroom models for knowledge building will be complemented with virtual classroom models involving people of different ages, cultural and knowledge backgrounds. Knowledge(More)
HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt età la diffusion(More)
This article discusses security requirements for open distributed learning environments. Security is a critical issue, especially for highly interactive applications based on heterogeneous distributed architectures. In e-learning applications, security mechanisms have as their main purpose to protect against illegal access to information, so that(More)
The Baghera project intends to develop theoretical and methodological foundations to guide the computer modelling and conception of learning environments. Our educational approach is founded on the principle that the educational function of a system is an emerging property of the interactions organised between its components: agents and humans, and not a(More)