LearningToQuestion at SemEval 2017 Task 3: Ranking Similar Questions by Learning to Rank Using Rich Features.
Naman GoyalPublished in: SemEval@ACL (2017)
Keyphrases
- search engine
- learning to rank
- information retrieval
- ranking functions
- web search
- learn a ranking function
- ranking list
- ranking models
- web search engines
- retrieval systems
- query dependent
- loss function
- ranking svm
- evaluation measures
- feature set
- direct optimization
- learning to rank algorithms
- document retrieval
- collaborative filtering
- relevance judgments
- supervised learning
- directly optimize
- evaluation metrics
- feature space
- feature vectors
- test collection
- benchmark datasets
- user feedback
- support vector
- ranking algorithm
- data sets
- feature extraction
- classification accuracy
- feature selection
- balancing exploration and exploitation