Graph-Based Collaborative Filtering Using Rating Nodes: A Solution to the High Ratings/Low Ratings Problem.
Alphan CulhaAndrew SkabarPublished in: Australasian Conference on Artificial Intelligence (2015)
Keyphrases
- collaborative filtering
- recommender systems
- user ratings
- collaborative filtering algorithms
- netflix prize
- matrix factorization
- user preferences
- rating prediction
- pearson correlation coefficient
- data sparsity
- personalized recommendation
- active user
- cold start
- latent factor models
- high levels
- cold start problem
- recommendation quality
- recommendation systems
- demographic information
- collaborative filtering recommendation algorithm
- wide range
- optimal solution
- significantly lower
- user similarity
- transfer learning
- shortest path
- semi supervised
- rating matrix
- implicit feedback
- minimum cost
- user interests
- making recommendations
- collaborative filtering recommender systems
- deal with information overload