Graph centers used for stabilization of matrix factorizations.
Pavla KabelíkováPublished in: Discuss. Math. Graph Theory (2010)
Keyphrases
- matrix factorization
- collaborative filtering
- negative matrix factorization
- missing data
- graph representation
- nonnegative matrix factorization
- graph theory
- recommender systems
- graph model
- weighted graph
- graph structure
- low rank
- factorization methods
- data matrix
- matrix multiplication
- graph partitioning
- stochastic gradient descent