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Piaget's theory of social exchanges has been used as the basis for the analysis of interactions in Multiagent Systems, allowing the modeling of interactions as services exchange processes between pairs of agents, followed by the evaluation of those services by the agents involved, producing the so-called social exchange values. The purpose of this work is to develop a BDI-Fuzzy agent model for the...
This work proposes a new methodology for the Group Recommendation problem. In this approach we choose the Most Representative User (MRU) as the group medoid in a user space projection, and then generate the recommendation list based on his preferences. We evaluate our proposal by using the well-known dataset Movie lens. We have taken two different measures so as to evaluate the group recommender strategies...
Fish School Search (FSS) is swarm-based optimizer that excels on multimodal search problems, but presents some drawbacks, such as the necessity to proper define the step used in some operators and the need to evaluate the fitness function twice per fish per iteration. This paper presents a simpler and enhanced version of the FSS, that features three advantages over the original FSS: high exploitation...
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