M. Salehi, I. N. Kamalabadi and M. B. Ghoushchi, "An effective recommendation framework for personal learning environments using a learner preference tree and a GA," in IEEE Transactions on Learning Technologies, vol. 6, no. 4, pp. 350-363, 2013.
doi:10.1109/TLT.2013.28
keywords:{Recommender systems;Electronic learning;Collaboration;Genetic algorithms;Data mining},
url:doi.ieeecomputersociety.org/10.1109/TLT.2013.28