Improving Collaborative Filtering Based Recommenders Using Topic Modelling.
Jobin WilsonSantanu ChaudhuryBrejesh LallPublished in: WI-IAT (2) (2014)
Keyphrases
- collaborative filtering
- recommender systems
- topic modeling
- matrix factorization
- user interests
- data sparsity
- information filtering
- user profiles
- recommendation systems
- user preferences
- collaborative filtering algorithms
- transfer learning
- neighbor selection
- topic models
- cold start
- cold start problem
- implicit feedback
- pearson correlation coefficient
- expert finding
- probabilistic matrix factorization
- social networks
- recommendation quality
- topic specific
- recommendation algorithms