Hybrid linear matrix factorization for topic-coherent terms clustering.
Ping LiangSartra WongthanavasuPublished in: Expert Syst. Appl. (2016)
Keyphrases
- matrix factorization
- collaborative filtering
- nonnegative matrix factorization
- negative matrix factorization
- low rank
- missing data
- low rank matrix
- clustering algorithm
- factorization methods
- tensor factorization
- k means
- recommender systems
- factor analysis
- data sparsity
- high dimensional data
- document clustering
- latent factors
- clustering method
- data points
- factorization method
- personalized ranking
- stochastic gradient descent
- nearest neighbor
- implicit feedback
- topic modeling
- data clustering
- closed form
- topic models
- item recommendation
- pairwise