U-rank: Utility-oriented Learning to Rank with Implicit Feedback.
Xinyi DaiJiawei HouQing LiuYunjia XiRuiming TangWeinan ZhangXiuqiang HeJun WangYong YuPublished in: CoRR (2020)
Keyphrases
- learning to rank
- implicit feedback
- relevance judgments
- user feedback
- collaborative filtering
- ranking models
- ranking functions
- explicit feedback
- web search
- information retrieval
- eye tracking
- user behavior
- recommender systems
- loss function
- matrix factorization
- evaluation measures
- document retrieval
- ranking svm
- relevance feedback
- retrieval systems
- test collection
- ranked list
- evaluation metrics
- clickthrough data
- directly optimize
- personalized recommendation
- search result
- recommendation systems
- retrieval effectiveness
- contextual information
- query expansion
- learning algorithm