Tendency correlation analysis for direct optimization of evaluation measures in information retrieval.
Yin HeTie-Yan LiuPublished in: Inf. Retr. (2010)
Keyphrases
- direct optimization
- correlation analysis
- evaluation measures
- learning to rank
- information retrieval
- optimization methods
- retrieval systems
- regression analysis
- factor analysis
- precision and recall
- ranking functions
- correlation coefficient
- cluster analysis
- sparse pca
- web search
- machine learning
- loss function
- information retrieval systems
- feature selection
- data sets
- search engine