Direct Optimization of F-Measure for Retrieval-Based Personal Question Answering.
Rasool FakoorAmanjit KainthSiamak ShakeriChristopher WinestockAbdel-rahman MohamedRuhi SarikayaPublished in: SLT (2018)
Keyphrases
- question answering
- information retrieval
- passage retrieval
- direct optimization
- learning to rank
- question answering systems
- document retrieval
- information extraction
- sentence retrieval
- image retrieval
- natural language processing
- natural language
- information retrieval systems
- answer extraction
- natural language questions
- retrieval systems
- retrieval model
- test collection
- question classification
- syntactic information
- machine learning
- document collections
- cross language
- sparse pca
- speech transcripts
- search engine
- qa clef
- query expansion
- multimedia
- benchmark datasets