Query-level loss functions for information retrieval.
Tao QinXu-Dong ZhangMing-Feng TsaiDe-Sheng WangTie-Yan LiuHang LiPublished in: Inf. Process. Manag. (2008)
Keyphrases
- loss function
- learning to rank
- information retrieval
- query expansion
- ranking models
- ranking svm
- pairwise
- relevance feedback
- normalized discounted cumulative gain
- risk minimization
- retrieval systems
- query processing
- support vector
- squared error
- loss minimization
- query terms
- information retrieval systems
- retrieval process
- relevance judgments
- language model
- keywords
- learning to rank algorithms
- vector space model
- update rules
- hinge loss
- ranking functions
- boosting algorithms
- average precision
- document retrieval
- relevant documents
- user queries
- search engine