Invariant Collaborative Filtering to Popularity Distribution Shift.
An ZhangJingnan ZhengXiang WangYancheng YuanTat-Seng ChuaPublished in: WWW (2023)
Keyphrases
- collaborative filtering
- recommender systems
- matrix factorization
- spatial distribution
- data sparsity
- user preferences
- web page recommendation
- data sets
- data distribution
- invariant features
- uniformly distributed
- power law
- probabilistic matrix factorization
- hybrid recommendation
- collaborative filtering algorithms
- maximum likelihood
- feature vectors