Keyphrases
- recommender systems
- collaborative filtering
- information filtering
- graph model
- user preferences
- user profiles
- cold start problem
- semi supervised
- graph theoretic
- matrix factorization
- movie recommendation
- collaborative recommendation
- graph based algorithm
- spreading activation
- label propagation
- information overload
- user model
- information retrieval
- real world
- user interests
- user modeling
- search algorithm
- implicit feedback
- decision trees
- cold start
- graph theoretical
- neural network
- data sets