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Alleviating the Sparsity Problem in Recommender Systems by Exploring Underlying User Communities.
Aline Bessa
Alberto H. F. Laender
Adriano Veloso
Nivio Ziviani
Published in:
AMW (2012)
Keyphrases
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recommender systems
user communities
data sparsity
collaborative filtering
user preferences
digital libraries
high dimensional
user profiles
matrix factorization
user generated content
cold start problem
end users
website
recommendation systems
multimedia
databases
database