Keyphrases
- implicit feedback
- topic models
- recommender systems
- collaborative filtering
- latent factors
- topic modeling
- user feedback
- explicit feedback
- eye tracking
- latent dirichlet allocation
- user behavior
- personalized recommendation
- matrix factorization
- web search
- relevance feedback
- generative model
- latent variables
- latent topics
- text mining
- search result
- co occurrence
- item recommendation
- text documents
- probabilistic model
- user preferences
- contextual information
- relevance judgments
- feature selection
- test collection
- user profiles