Voting Advice Applications: Missing Value Estimation Using Matrix Factorization and Collaborative Filtering.
Marilena AgathokleousNicolas TsapatsoulisPublished in: AIAI (2013)
Keyphrases
- matrix factorization
- collaborative filtering
- missing values
- missing data
- data matrix
- recommender systems
- data sparsity
- low rank
- data imputation
- probabilistic matrix factorization
- nonnegative matrix factorization
- factorization methods
- negative matrix factorization
- incomplete data sets
- cold start problem
- incomplete data
- factor analysis
- item recommendation
- latent factor models
- high dimensional data
- feature values
- tensor factorization
- user preferences
- implicit feedback
- recommendation systems
- variational bayesian
- recommendation algorithms
- rows and columns
- imputation methods
- user profiles
- pattern recognition