The collaborative filtering recommendation based on SOM cluster-indexing CBR.
Tae Hyup RohKyong Joo OhIngoo HanPublished in: Expert Syst. Appl. (2003)
Keyphrases
- collaborative filtering
- case based reasoning
- self organizing maps
- recommender systems
- cluster analysis
- som neural network
- data sparsity
- neural network
- matrix factorization
- database
- clustering algorithm
- rating matrix
- unsupervised learning
- information retrieval
- competitive learning
- indexing method
- kohonen self organizing map
- input space
- pearson correlation coefficient
- data clustering
- data points
- high dimensional
- user preferences
- personalized recommendation
- deal with information overload
- neural gas
- case base reasoning
- growing self organizing map
- dealing with high dimensional data
- rule based reasoning
- model based reasoning
- topology preserving
- indexing scheme
- recommendation systems
- content based retrieval
- hierarchical clustering
- case base
- data structure