Simulating Light-Weight Personalised Recommender Systems in Learning Networks: A Case for Pedagogy-Oriented and Rating-Based Hybrid Recommendation Strategies

Rob J. Nadolski (), Bert van den Berg (), Adriana J. Berlanga (), Hendrik Drachsler (), Hans G.K. Hummel (), Rob E.J.R. Koper () and Peter B. Sloep ()
Additional contact information
Rob J. Nadolski: http://www.celstec.org
Bert van den Berg: http://www.ou.nl
Adriana J. Berlanga: http://www.ou.nl
Hendrik Drachsler: http://www.ou.nl
Hans G.K. Hummel: http://www.ou.nl
Rob E.J.R. Koper: http://celstec.org
Peter B. Sloep: http://pbsloep.nl

Journal of Artificial Societies and Social Simulation, 2009, vol. 12, issue 1, 4

Abstract: Recommender systems for e-learning demand specific pedagogy-oriented and hybrid recommendation strategies. Current systems are often based on time-consuming, top down information provisioning combined with intensive data-mining collaborative filtering approaches. However, such systems do not seem appropriate for Learning Networks where distributed information can often not be identified beforehand. Providing sound way-finding support for lifelong learners in Learning Networks requires dedicated personalised recommender systems (PRS), that offer the learners customised advise on which learning actions or programs to study next. Such systems should also be practically feasible and be developed with minimized effort. Currently, such so called light-weight PRS systems are scarcely available. This study shows that simulation studies can support the analysis and optimisation of PRS requirements prior to starting the costly process of their development, and practical implementation (including testing and revision) during field experiments in real-life learning situations. This simulation study confirms that providing recommendations leads towards more effective, more satisfied, and faster goal achievement. Furthermore, this study reveals that a light-weight hybrid PRS-system based on ratings is a good alternative for an ontology-based system, in particular for low-level goal achievement. Finally, it is found that rating-based light-weight hybrid PRS-systems enable more effective, more satisfied, and faster goal attainment than peer-based light-weight hybrid PRS-systems (incorporating collaborative techniques without rating).

Keywords: Recommendation Strategy; Simulation Study; Way-Finding; Collaborative Filtering; Rating (search for similar items in EconPapers)
Date: 2009-01-31
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Citations: View citations in EconPapers (2)

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