On the usefulness of query features for learning to rank.
Craig MacdonaldRodrygo L. T. SantosIadh OunisPublished in: CIKM (2012)
Keyphrases
- learning to rank
- ranking svm
- ranking models
- query dependent
- learn a ranking function
- loss function
- information retrieval
- relevance judgments
- ranking functions
- evaluation measures
- ranking list
- retrieval systems
- feature vectors
- user queries
- query expansion
- learning to rank algorithms
- evaluation metrics
- feature extraction
- direct optimization
- learning algorithm