Recommender systems in e-learning environments: a survey of the state-of-the-art and possible extensions
2015 ◽
Vol 44
(4)
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pp. 571-604
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2009 ◽
Vol 2009
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pp. 1-19
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2012 ◽
Vol 22
(4-5)
◽
pp. 317-355
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Keyword(s):
2005 ◽
Vol 17
(6)
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pp. 734-749
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2010 ◽
Vol 33
(3)
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pp. 187-209
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2011 ◽
Vol 37
(2)
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pp. 119-132
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