Improving the Scalability of Recommender Systems by Clustering Using Genetic Algorithms.
Olga GeorgiouNicolas TsapatsoulisPublished in: ICANN (1) (2010)
Keyphrases
- recommender systems
- collaborative filtering
- clustering method
- genetic algorithm
- clustering algorithm
- data clustering
- k means
- hierarchical clustering
- matrix factorization
- categorical data
- cold start problem
- user preferences
- information theoretic
- graph theoretic
- fuzzy clustering
- data objects
- high dimensional data
- distance metric
- data sets
- user profiles
- unsupervised learning
- high dimensional
- feature selection
- information retrieval