Improving Recommendation Performance with Clustering and Missing Value Prediction.
Chenrui XiongYouwu LiuZijiang YangEric LiuPublished in: CISS (2020)
Keyphrases
- missing values
- data imputation
- high dimensional data
- clustering algorithm
- prediction accuracy
- missing data
- k means
- clustering method
- cluster analysis
- incomplete data
- spectral clustering
- prediction model
- similarity calculation
- nearest neighbor
- data clustering
- noisy data
- hierarchical clustering
- nonnegative matrix factorization
- missing information
- recommender systems
- incomplete data sets
- collaborative filtering
- data points
- machine learning