Sub-Matrix Factorization for Real-Time Vote Prediction.
Alexander ImmerVictor KristofMatthias GrossglauserPatrick ThiranPublished in: KDD (2020)
Keyphrases
- matrix factorization
- real time
- collaborative filtering
- low rank
- missing data
- recommender systems
- factorization methods
- negative matrix factorization
- data sparsity
- factor analysis
- prediction accuracy
- nonnegative matrix factorization
- data matrix
- personalized ranking
- item recommendation
- stochastic gradient descent
- variational bayesian
- implicit feedback
- recommendation systems
- probabilistic matrix factorization
- tensor factorization
- latent factors
- factorization method
- high dimensional
- pairwise