Recommender systems: the case of repeated interaction in matrix factorization.
Felix SommerFabian LecronFrançois FoussPublished in: WI (2017)
Keyphrases
- matrix factorization
- recommender systems
- collaborative filtering
- low rank
- negative matrix factorization
- cold start problem
- data sparsity
- nonnegative matrix factorization
- probabilistic matrix factorization
- factorization methods
- item recommendation
- factor analysis
- missing data
- human computer interaction
- implicit feedback
- user preferences
- latent factor models
- variational bayesian
- user interaction
- stochastic gradient descent
- recommendation systems
- search engine
- personalized ranking
- binary matrix
- feature extraction
- least squares
- cold start
- user profiles