Retargeted matrix factorization for collaborative filtering.
Oluwasanmi KoyejoSreangsu AcharyyaJoydeep GhoshPublished in: RecSys (2013)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- data sparsity
- low rank
- factorization methods
- negative matrix factorization
- recommendation systems
- user preferences
- nonnegative matrix factorization
- probabilistic matrix factorization
- item recommendation
- data matrix
- implicit feedback
- factorization method
- cold start problem
- factor analysis
- recommendation quality
- transfer learning
- missing data
- personalized recommendation
- stochastic gradient descent
- variational bayesian
- user profiles
- original data
- latent factor models
- personalized ranking