An Ontology Network for Educational Recommender Systems

An Ontology Network for Educational Recommender Systems

Alicia Díaz (Universidad Nacional de La Plata, Argentina), Regina Motz (Universidad de la República, Uruguay), Edelweis Rohrer (Universidad de la República, Uruguay) and Libertad Tansini (Universidad de la República, Uruguay)
DOI: 10.4018/978-1-61350-489-5.ch004
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This chapter presents how an ontology network can be used to explicitly specify the relevant features of Semantic Educational Recommender Systems. This ontology network conceptualizes the different domains and features involved in these kind of systems in a set of interrelated ontologies. Basically, this chapter presents a detailed study of the semantic relationships that exist among the ontologies in the network considering learners and educators goals and taking also into account relevance feedback by users. One important contribution of this work is to show how the ontology-based reasoning mechanism can be used to validate the recommendation criteria and to assure flexibility for tailoring the educational resource adequacy features (called Educational Resource Quality).
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This section presents background material on semantic recommender systems, ontology-networks and ontology validation.

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