Hendrik Drachsler, Hans G. K. Hummel, Rob Koper. Navigation support for learners in informal learning environments. In Pearl Pu, Derek G. Bridge, Bamshad Mobasher, Francesco Ricci, editors, Proceedings of the 2008 ACM Conference on Recommender Systems, RecSys 2008, Lausanne, Switzerland, October 23-25, 2008. pages 303-306, ACM, 2008. [doi]
Abstract is missing.