Nicola Capuano Matteo Gaeta Francesco Orciuoli Pierluigi Ritrovato On-demand Construction of Personalized Learning Experiences Using Semantic Web and Web 2.0 Techniques. 484-488 2009 ICALT http://dx.doi.org/10.1109/ICALT.2009.53 conf/icalt/2009 db/conf/icalt/icalt2009.html#CapuanoGOR09