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Optimal Dependence of Performance and Efficiency of Collaborative Filtering on Random Stratified Subsampling.
Samin Poudel
Marwan Bikdash
Published in:
Big Data Min. Anal. (2022)
Keyphrases
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collaborative filtering
recommender systems
optimal solution
closed form
data sparsity
machine learning
dynamic programming
worst case
matrix factorization
data sets
social networks
website
training data
objective function
lower bound