Annotating educational content by questions created by learners

Several approaches to educational web-based content enrichment have been devised. Annotations in form of comments and other types of remarks obviously supply these approaches. Annotations allow enriching the educational materials mainly by retaining key information or comments; they can support visual search and also collaboration. In this paper we present a method for an acquisition of new educational content created by learners. It is based on collaborative questions creation. We let the students to enrich educational materials with questions related to the selected text. We believe that this helps them to learn more effectively. It facilitates a collaboration and explicit rating to gain new quality content. This kind of annotations can be considered also as a source of semantics of the selected text and used for adaptation. To evaluate proposed method we experimented in domain of learning programming. We implemented the method within an existing web-based educational framework ALEF and provided several experiments.

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