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O Meio é Mesmo a Mensagem: Evidências de como a Tecnologia Afeta a Comunicação e a Presença Social em Ambientes Virtuais de Aprendizagem

Relationships mediated by ICTs are present in many aspects of everyday life. As they are established at a distance, one can see the projection of the other through the communication channels that are opened by the new ICTs. The objective of this paper is to discuss how the means of communication affect social presence in virtual environments. Based on the theory of investigative communities and...

ASDA : Analyseur Syntaxique du Dialecte Alg{é}rien dans un but d'analyse s{é}mantique

Opinion mining and sentiment analysis in social media is a research issue having a great interest in the scientific community. However, before begin this analysis, we are faced with a set of problems. In particular, the problem of the richness of languages and dialects within these media. To address this problem, we propose in this paper an approach of construction and implementation of Syntact...

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Int{é}gration d'une mesure d'ind{é}pendance pour la fusion d'informations

Résumé. La fusion d’informations fait intervenir plusieurs sources d’informations afin d’améliorer la décision en terme de certitude et de précision. Quelle que soit l’approche retenue pour réaliser la fusion d’informations, l’hypothèse d’indépendance est généralement une hypothèse forte et incontournable. Nous proposons dans cet article une approche permettant d’intégrer une mesure d’indépenda...