Robust Generalization and Safe Query-Specializationin Counterfactual Learning to Rank.
Harrie OosterhuisMaarten de RijkePublished in: WWW (2021)
Keyphrases
- learning to rank
- ranking svm
- query dependent
- relevance judgments
- ranking functions
- retrieval systems
- ranking list
- information retrieval
- query suggestion
- loss function
- document retrieval
- learn a ranking function
- ranking models
- query processing
- relevance feedback
- test collection
- user queries
- direct optimization
- evaluation measures
- ordinal regression
- web search
- search engine
- directly optimize
- user feedback
- evaluation metrics
- query terms
- binary classification
- supervised learning
- search queries
- multi class
- language model
- clickthrough data
- keywords
- feature selection
- query expansion
- learning to rank algorithms
- relevant documents
- web search engines