Social, Personalized Lifelong Learning - E-Infrastructures and Technologies for Lifelong Learning - page 124

who can help in answering questions and giving
feedback. Moreover, the system can now track
the reading activity of the learners, which can be
used to update the user profile. Finally, the feature
of goal visualization was introduced in order for
students to be able to recognize easier (a) the fact
that members of a group have a common goal,
and (b) that they need to work together in order
to achieve it. Other types of adaptation for recom-
mending users, apart from their knowledge level,
can be applied in the future, borrowed from social
recommender systems, such as social proximity
or presence in online learning environments, as
has previously been covered elsewhere in the
ALS project.

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Calvani, A., Bonaiuti, G., & Fini, A. (2008)
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Cannataro, M., Cuzzocrea, A., Mastroianni, C.,
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