Educational Semantic Wikis in the Linked Data Age: the case of MSc Web Science Program at Aristotle University of Thessaloniki. - Charalampos Bratsas; Anastasia Dimou; Georgios Alexiadis; Despoina-Eleana Chrysou; Kostantinos Kavargyris; Ioannis Parapontis; Panagiotis D. Bamidis; Ioannis Antoniou (Linked Learning@ESWC, 2011)