Heliod at TREC Legal 2011: Learning to Rank from Relevance Feedback for e-Discovery.
Peter Lubell-DoughtieKenneth HamiltonPublished in: TREC (2011)
Keyphrases
- learning to rank
- relevance feedback
- relevance judgments
- information retrieval
- document retrieval
- information retrieval evaluation
- test collection
- ranking functions
- pseudo relevance feedback
- retrieval effectiveness
- user feedback
- retrieval model
- evaluation measures
- loss function
- information retrieval systems
- ranking svm
- relevant documents
- query expansion
- image retrieval
- direct optimization
- retrieval systems
- supervised learning
- evaluation metrics
- language model
- active learning
- retrieved documents
- query dependent
- retrieval process
- data sets
- collaborative filtering
- pairwise
- rank correlation
- vector space model
- ranking algorithm
- document ranking
- clickthrough data