A belief propagation approach for detecting shilling attacks in collaborative filtering.
Jun ZouFaramarz FekriPublished in: CIKM (2013)
Keyphrases
- belief propagation
- collaborative filtering
- data sparsity
- graphical models
- message passing
- product recommendation
- graph cuts
- collaborative filtering algorithms
- markov random field
- stereo matching
- approximate inference
- recommender systems
- matrix factorization
- pairwise
- factor graphs
- fixed point
- markov networks
- probabilistic inference
- free energy
- loopy belief propagation
- exact inference
- energy minimization
- energy function
- probabilistic model
- stereo vision
- image segmentation
- higher order
- user ratings
- preprocessing
- multiscale
- high quality