CP decomposition of semi-nonnegative semi-symmetric tensors based on QR matrix factorization.
Lu WangLaurent AlberaAmar KachenouraHuazhong ShuLotfi SenhadjiPublished in: SAM (2014)
Keyphrases
- matrix factorization
- tensor factorization
- nonnegative matrix factorization
- collaborative filtering
- low rank
- recommender systems
- data matrix
- factorization methods
- negative matrix factorization
- missing data
- factor matrices
- sparse non negative
- stochastic gradient descent
- factor analysis
- data sparsity
- personalized ranking
- factorization method
- variational bayesian
- binary matrix
- item recommendation
- error correction
- objective function