Discovery of Hidden Similarity on Collaborative Filtering to Overcome Sparsity Problem.
Sanghack LeeJihoon YangSung-Yong ParkPublished in: Discovery Science (2004)
Keyphrases
- collaborative filtering
- data sparsity
- pearson correlation coefficient
- similarity measure
- recommender systems
- matrix factorization
- similarity computation
- high dimensional
- discovery process
- similarity function
- user similarity
- music recommendation
- user preferences
- distance measure
- cold start problem
- rating matrix
- similarity metric
- knowledge discovery
- structural similarity
- similarity measurement
- transfer learning
- sparse representation
- probabilistic matrix factorization
- face recognition
- semantic similarity
- tensor factorization
- distance function
- demographic information
- pairwise
- cross domain collaborative filtering
- user item rating