Improving the Accuracy of M-distance Based Nearest Neighbor Recommendation System by Using Ratings Variance.
Narges HasanzadehYahya ForghaniPublished in: Ingénierie des Systèmes d Inf. (2019)
Keyphrases
- nearest neighbor
- collaborative filtering
- k nearest neighbor
- prediction accuracy
- recommendation algorithms
- knn
- high accuracy
- covariance matrix
- computational cost
- correlation coefficient
- computational efficiency
- error rate
- user ratings
- decision trees
- distance measure
- recommender systems
- computational complexity
- product recommendation
- nearest neighbor algorithm
- bias variance
- context aware
- recommendation systems
- high dimensional data
- electronic commerce
- classification accuracy
- feature space
- support vector