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Differentiating Regularization Weights - A Simple Mechanism to Alleviate Cold Start in Recommender Systems.
Hung-Hsuan Chen
Pu Chen
Published in:
ACM Trans. Knowl. Discov. Data (2019)
Keyphrases
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recommender systems
cold start
cold start problem
collaborative filtering
data sparsity
matrix factorization
user preferences
user interests
user model
recommendation algorithms
implicit feedback
recommendation quality
item based collaborative filtering