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Object-oriented patterns are enjoying much popularity as mechanisms to address flexibility and reusability in object-oriented designs. Consequently , many CASE environments have incorporated different pattern-based facilities. Nonetheless, the selection of the most appropriate patterns for a given design context is left to the developer's criteria. For(More)
Distance learning involves a lot of work of human assistants. These assistants need to be connected for answering student doubts and questions. Intelligent agents can do part of this work. However a problem appears with this promised possibility: how to connect educational applications with these agents. This paper presents a solution to this problem, in(More)
Choosing committees with independent members in social networks can be regarded as a group selection problem where independence, as the main selection criterion, can be measured by the social distance between group members. Although there are many solutions for the group selection problem in social networks, such as target set selection or community(More)