Communaut\'es Web 2.0 d'apprenants de langue avec parcours d'apprentissage : r\^oles, p\'edagogie et rapports au contenu

Among the various types of online language learner collective types, we analyze in this contribution Web 2.0 communities featuring an explicit progression. We use three analysis angles (user roles, pedagogical progression and content) in order to provides leads towards expressing the interrelations between the implementation choices regarding the concepts linked to Web 2.0 and the learning experience of the users.