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GPR-OPT: A Practical Gaussian optimization criterion for implicit recommender systems.
Ting Bai
Xiaotong Wang
Zhenhao Zhang
Wei Song
Bin Wu
Jian-Yun Nie
Published in:
Inf. Process. Manag. (2024)
Keyphrases
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optimization criterion
recommender systems
utility function
objective function
collaborative filtering
cost function
maximum likelihood
linear projection
generalized discriminant analysis
optimization criteria
search algorithm
special case
upper bound
user profiles
scatter matrices