Similarity-based clustering by left-stochastic matrix factorization.
Raman AroraMaya R. GuptaAmol KapilaMaryam FazelPublished in: J. Mach. Learn. Res. (2013)
Keyphrases
- matrix factorization
- nonnegative matrix factorization
- collaborative filtering
- clustering algorithm
- missing data
- clustering method
- low rank
- k means
- factorization methods
- negative matrix factorization
- factor analysis
- recommender systems
- simultaneous clustering
- data sparsity
- personalized ranking
- stochastic gradient descent
- factorization method
- tensor factorization
- cluster analysis
- variational bayesian
- data matrix
- implicit feedback
- spectral clustering
- document clustering
- item recommendation
- data points
- objective function