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Many developments were introduced for presenting
information using digital visualisation techniques,
including 3D interactive visualisations and virtual
environments. Additionally, the way a group of people
shares information about the meanings of concepts can
be considered as an important issue for knowledge
sharing. However, visualisation potential for
representing and exploring knowledge has not yet been
totally explored.
This work proposes a general structure for knowledge
sharing to represent knowledge that allows a group of
users to share concept meanings and their relations,
and to...

The emergence of Web 2.0 tools made the creation of online contents much easier. This evolving concept emphasizes the fact that the user can now easily participate in the delivery of Web contents. The work presents two empirical studies within the higher education context. The first study aims to understand faculty's perceived usefulness of Web 2.0 tools for teaching practices. It gathers the opinions of 681 teachers from 11 institutions. The integrative models generated revealed that attitudes and self-efficacy were found positive predictors of faculty's intentions to use, and actual using...