Building and especially improving a classification kernel represents a challenging task. The works presented in this paper continue an already developed semi-supervised classification approach that aimed at labelling transcripts from educational videos. We questioned whether the size of the ground-truth data-set (Wikipedia articles) or the quality…

The academic world initially regarded Wikipedia with misgivings for a number of reasons, including the uncertainty concerning the reliability of its content, its anonymous authorship and the fact that students often use it as an easy way to cut and paste material for their coursework. In recent years, however, university instructors' perception of…

Wikis (websites that can be edited quickly by multiple authors) were used with upper-primary school children to write group reports on a science topic. Two teachers observed the children working, and their observations were used alongside the texts from the wikis and group interviews with children to explore the question of whether using wikis…

Drawing on experiences in his social studies classroom, Houman Harouni evaluates both the challenges and possibilities of helping high school students develop critical research skills. The author describes how he used Wikipedia to design classroom activities that address issues of authorship, neutrality, and reliability in information gathering.…