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