Direct optimization of F-measure for retrieval-based personal question answering.
Rasool FakoorAmanjit KainthSiamak ShakeriChristopher WinestockAbdel-rahman MohamedRuhi SarikayaPublished in: CoRR (2018)
Keyphrases
- question answering
- information retrieval
- passage retrieval
- direct optimization
- learning to rank
- document retrieval
- question answering systems
- sentence retrieval
- question classification
- natural language processing
- natural language
- information extraction
- retrieval model
- information retrieval systems
- syntactic information
- retrieval systems
- qa clef
- answer extraction
- query expansion
- test collection
- relevance feedback
- precision and recall
- speech transcripts
- search engine
- cross language
- evaluation measures
- text retrieval
- qa systems