  A content recommender system or a recommendation system represents a subclass
of information filtering systems which seeks to predict the user preferences,
i.e. the content that would be most likely positively "rated" by the user.
Nowadays, the recommender systems of OpenCourseWare (OCW) platforms typically
generate a list of recommendations in one of two ways, i.e. through the
content-based filtering, or user-based collaborative filtering (CF). In this
paper, the conceptual idea of the content recommendation module was provided,
which is capable of proposing the related decks (presentations, educational
material, etc.) to the user having in mind past user activities, preferences,
type and content similarity, etc. It particularly analyses suitable techniques
for implementation of the user-based CF approach and user-related features that
are relevant for the content evaluation. The proposed approach also envisages a
hybrid recommendation system as a combination of user-based and content-based
approaches in order to provide a holistic and efficient solution for content
recommendation. Finally, for evaluation and testing purposes, a designated
content recommendation module was implemented as part of the SlideWiki
authoring OCW platform.
