Low-rank Defenses Against Adversarial Attacks in Recommender Systems.
Negin EntezariEvangelos E. PapalexakisPublished in: Big Data (2022)
Keyphrases
- low rank
- recommender systems
- matrix factorization
- denial of service attacks
- collaborative filtering
- low rank matrix
- dos attacks
- linear combination
- rank minimization
- missing data
- negative matrix factorization
- matrix completion
- nonnegative matrix factorization
- semi supervised
- singular value decomposition
- convex optimization
- matrix decomposition
- high order
- trace norm
- high dimensional data
- data matrix
- singular values
- minimization problems
- robust principal component analysis
- watermarking scheme
- network security
- low rank matrices
- affinity matrix
- ddos attacks
- nearest neighbor
- pairwise
- low rank and sparse
- neural network