Active Positive-Definite Matrix Completion.
Charalampos MavroforakisDóra ErdösMark CrovellaEvimaria TerziPublished in: SDM (2017)
Keyphrases
- positive definite
- matrix completion
- low rank
- kernel matrix
- kernel function
- covariance matrix
- geometric structure
- collaborative filtering
- matrix factorization
- singular value decomposition
- missing data
- linear combination
- convex optimization
- diffusion tensor
- machine learning
- missing values
- high order
- convex relaxation
- objective function
- incomplete data
- input space
- feature vectors
- support vectors
- recommender systems
- kernel methods
- data sets
- worst case
- model selection
- maximum likelihood