An efficient and secure recommendation system based on federated matrix factorization in digital economy.
Hongyu ChenChunlei FuChunqiang HuPublished in: Pers. Ubiquitous Comput. (2023)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- low rank
- digital economy
- information technology
- negative matrix factorization
- factor analysis
- nonnegative matrix factorization
- factorization methods
- missing data
- electronic commerce
- personalized recommendation
- stochastic gradient descent
- recommendation systems
- tensor factorization
- human capital
- latent factor models
- item recommendation
- highly efficient
- user preferences
- data mining
- latent factors
- probabilistic matrix factorization