Density-Ratio Based Personalised Ranking from Implicit Feedback.
Riku TogashiMasahiro KatoMayu OtaniShin'ichi SatohPublished in: CoRR (2021)
Keyphrases
- implicit feedback
- recommender systems
- personalized ranking
- user behavior
- density ratio
- eye tracking
- user feedback
- web search
- matrix factorization
- explicit feedback
- collaborative filtering
- density ratio estimation
- user preferences
- least squares
- search result
- contextual information
- outlier detection
- relevance feedback
- user profiles
- eye movements
- decision trees
- personalized recommendation
- relevance judgments
- ranking functions
- context aware