A Novel Hierarchical Approach to Ranking-Based Collaborative Filtering.
Athanasios N. NikolakopoulosMarianna A. KouneliJohn D. GarofalakisPublished in: EANN (2) (2013)
Keyphrases
- collaborative filtering
- learning to rank
- maximum margin matrix factorization
- recommender systems
- implicit feedback
- matrix factorization
- ranking algorithm
- rating prediction
- web search
- user preferences
- ranking functions
- hierarchical clustering
- user specific
- link analysis
- data sparsity
- user feedback
- ranked list
- coarse to fine
- hierarchical structure
- user profiles
- recommendation systems
- personalized recommendation
- user ratings
- rank aggregation
- user similarity
- making recommendations
- data sets