Open-Retrieval Conversational Question Answering.
Chen QuLiu YangCen ChenMinghui QiuW. Bruce CroftMohit IyyerPublished in: CoRR (2020)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- natural language
- sentence retrieval
- question answering systems
- natural language processing
- answer extraction
- qa clef
- document retrieval
- retrieval model
- question classification
- syntactic information
- named entities
- multi modal
- information extraction
- cross language
- query expansion
- test collection
- natural language questions
- open domain question answering
- retrieval systems
- information retrieval systems
- image retrieval
- candidate answers
- relevance feedback
- answering questions
- answer validation