Keyphrases
- collaborative filtering
- recommender systems
- making recommendations
- user preferences
- personalized recommendation
- recommendation quality
- recommendation systems
- collaborative filtering algorithms
- random walk
- user ratings
- online dating
- cold start
- matrix factorization
- vector representation
- graph representation
- cold start problem
- graph theory
- content based filtering
- user profiles
- data sparsity
- information filtering
- hybrid recommendation
- latent factor models
- product recommendation
- weighted graph
- face recognition
- bipartite graph
- collaborative filtering recommendation
- feature vectors
- demographic information
- user feedback
- graph matching
- structured data
- active user
- highly correlated
- item recommendation
- rating prediction
- deal with information overload
- collaborative recommendation
- preprocessing stage
- graph model
- graph structure
- link prediction
- correlation coefficient
- directed graph
- connected components
- similarity measure