On InstaHide, Phase Retrieval, and Sparse Matrix Factorization.
Sitan ChenXiaoxiao LiZhao SongDanyang ZhuoPublished in: ICLR (2021)
Keyphrases
- matrix factorization
- collaborative filtering
- tensor factorization
- low rank matrix
- low rank
- recommender systems
- missing data
- negative matrix factorization
- sparse non negative
- latent factors
- nonnegative matrix factorization
- factor analysis
- information retrieval
- factorization methods
- information retrieval systems
- data sparsity
- data matrix
- relevance feedback
- item recommendation
- variational bayesian
- test collection
- factorization method
- stochastic gradient descent
- high dimensional
- sparsity constraints
- image retrieval
- implicit feedback
- web search
- latent variables
- probabilistic model
- query expansion
- document collections