Novelty-Aware Matrix Factorization Based on Items' Popularity.
Ludovik CobaPanagiotis SymeonidisMarkus ZankerPublished in: AI*IA (2018)
Keyphrases
- matrix factorization
- collaborative filtering
- low rank
- missing data
- recommender systems
- factor analysis
- negative matrix factorization
- factorization methods
- variational bayesian
- nonnegative matrix factorization
- social media
- data sparsity
- stochastic gradient descent
- factorization method
- latent factors
- document clustering
- data sets
- implicit feedback
- data matrix
- low dimensional
- personalized ranking
- probabilistic matrix factorization