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Trading Hard Negatives and True Negatives: A Debiased Contrastive Collaborative Filtering Approach.
Chenxiao Yang
Qitian Wu
Jipeng Jin
Xiaofeng Gao
Junwei Pan
Guihai Chen
Published in:
IJCAI (2022)
Keyphrases
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collaborative filtering
false positives
positive examples
recommender systems
matrix factorization
false negative
data sparsity
domain knowledge
user preferences
recommendation systems