Learning to Rank Answers to Non-Factoid Questions from Web Collections.
Mihai SurdeanuMassimiliano CiaramitaHugo ZaragozaPublished in: Comput. Linguistics (2011)
Keyphrases
- learning to rank
- ranking functions
- evaluation measures
- loss function
- information retrieval
- ranking svm
- document retrieval
- evaluation metrics
- direct optimization
- learning to rank algorithms
- retrieval systems
- supervised learning
- collaborative filtering
- query dependent
- directly optimize
- multi class
- support vector
- decision trees
- ranking models
- learning algorithm
- machine learning
- data sets