Detection of shilling attacks in recommender systems via spectral clustering.
Zhuo ZhangSanjeev R. KulkarniPublished in: FUSION (2014)
Keyphrases
- spectral clustering
- recommender systems
- data clustering
- collaborative filtering
- product recommendation
- pairwise
- k means
- similarity matrix
- clustering algorithm
- clustering method
- data sparsity
- constrained spectral clustering
- collaborative filtering algorithms
- graph partitioning
- graph laplacian
- injection attacks
- evolutionary clustering
- user preferences
- eigendecomposition
- image segmentation
- spectral methods
- machine learning
- alternative clusterings
- affinity matrix
- label propagation
- constrained clustering
- feature selection
- pairwise constraints
- covariance matrix
- data mining
- matrix factorization