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

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