Learning to Rank by Optimizing NDCG Measure.
Hamed ValizadeganRong JinRuofei ZhangJianchang MaoPublished in: NIPS (2009)
Keyphrases
- learning to rank
- direct optimization
- evaluation measures
- directly optimize
- normalized discounted cumulative gain
- ranking functions
- loss function
- information retrieval
- optimization methods
- evaluation metrics
- relevance judgments
- ranking svm
- query dependent
- ranking list
- sparse pca
- document retrieval
- collaborative filtering
- precision and recall
- supervised learning
- learning to rank algorithms
- similarity measure
- average precision
- test collection