Double Retrieval and Ranking for Accurate Question Answering.
Zeyu ZhangThuy VuAlessandro MoschittiPublished in: CoRR (2022)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- candidate answers
- question answering systems
- sentence retrieval
- information extraction
- document retrieval
- natural language questions
- answer extraction
- learning to rank
- question classification
- natural language processing
- named entities
- natural language
- cross language
- retrieval model
- web search
- syntactic information
- test collection
- text retrieval
- data retrieval
- query expansion
- information retrieval systems
- image retrieval
- ranking functions
- speech transcripts
- expert systems
- artificial intelligence
- semantic roles
- relevance model
- vector space model
- document collections
- relevance feedback
- answering questions