Examinando por Materia "Multi agent systems"
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Ítem Experts' Agreement Support for Distributed Engineering Knowledge Modelling(Springer Verlag, 2013-01-01) Mejía-Gutiérrez, R.; Cálad-Álvarez, A.; Zuluaga-Holguín, D.Knowledge sharing among partners in collaborative and concurrent engineering processes is becoming more critical for decision-making in Product Design Engineering (PDE). The approach presented in this article proposes a Fuzzy Logic (FL) based semi-automatic support for reaching agreements in the definition of variable's domain under a Constraint Satisfaction Problem (CSP) modelling process. A negotiation model is proposed, including suggestions about preferred domains for a variable that it is used for more than one expert. Competence of the users involved in the negotiation is measured with a set of developed indexes. A Fuzzy Inference System (FIS) is used to calculate user's indexes and suggestions about the domain are made based on the proposed domains and competence index of the experts. The proposal is included in a Multi-Agent System (MAS) for supporting distributed knowledge modelling. © Springer-Verlag Berlin Heidelberg 2013.Ítem A multi-agent approach for engineering design knowledge modelling(SPRINGER, 2011-01-01) Mejía-Gutiérrez, R.; Cálad-Álvarez, A.; Ruiz-Arenas, S.Usually a product design process implies collaborative work between experts located in different geographical locations. This context makes the process of taking design decisions more difficult and slow. Nowadays, definition of variables and constraints is a key issue, that experts related with product design have to face throughout the product lifecycle. A Multi-Agent system is proposed for tutoring experts in a standardized manner for the definition of variables and constraints. This domain specific knowledge will be use to build "Constraint Satisfaction Problem" models to support early stages of product design, specifically embodiment design. © 2011 Springer-Verlag.Ítem Performance analysis of the ubiquitous and emergent properties of an autonomic reflective middleware for smart cities(Springer, 2020-01-01) Aguilar, J.; Jerez, M.; Mendonça, M.; Sánchez, M.; Aguilar, J.; Jerez, M.; Mendonça, M.; Sánchez, M.; Universidad EAFIT. Departamento de Ingeniería de Sistemas; I+D+I en Tecnologías de la Información y las ComunicacionesOne of the biggest challenges in a Smart City is how to describe and dispose of the enormous and multiple sources of information, and how to share and merge it into a single infrastructure, in a timely and correct manner. A Smart City requires computational platforms, which allow the interconnection of multiple and embedded systems, such that the technology is integrated with people, and can respond to unpredictable situations. The integration of information and communications technology in these spaces, allows exploiting the wealth of information and knowledge generated in a Smart City, and improving its planning and services offered to its citizens. In this way, the people are immersed in these spaces, which are aware of their presence (context-sensitive) and adapt to their needs. The context analysis in a smart city allows making available services and information, to support ubiquitously the activities of the individuals. This study aims to analyze the emerging and ubiquitous capabilities of an Autonomic Reflective Middleware. The Middleware is based on intelligent agents that can be adapted to the existing dynamism in a city for, ubiquitously, responding to the requirements of citizens. It uses emerging ontologies that allow, not only the adaptation to the context of the moment and in real-time but also responds to unforeseen situations. © 2020, Springer-Verlag GmbH Austria, part of Springer Nature.