Relevance-based language modelling for recommender systems.
Javier ParaparAlejandro BellogínPablo CastellsAlvaro BarreiroPublished in: Inf. Process. Manag. (2013)
Keyphrases
- language modelling
- recommender systems
- user ratings
- document ranking
- language model
- relevance model
- n gram
- collaborative filtering
- ad hoc retrieval
- test collection
- information retrieval
- tf idf
- matrix factorization
- weighting scheme
- pseudo relevance feedback
- user model
- text retrieval
- query expansion
- user profiles
- prediction accuracy
- user preferences
- retrieved documents
- relevance feedback
- digital libraries
- ranked list
- user feedback
- context dependent
- relevance assessments
- feature selection