Double Retrieval and Ranking for Accurate Question Answering.
Zeyu ZhangThuy VuAlessandro MoschittiPublished in: EACL (Findings) (2023)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- candidate answers
- question answering systems
- information extraction
- answer extraction
- question classification
- learning to rank
- natural language processing
- document retrieval
- sentence retrieval
- open domain question answering
- natural language
- syntactic information
- qa clef
- ranking algorithm
- retrieval model
- query expansion
- relevance feedback
- cross language
- ranking functions
- semantic roles
- natural language questions
- knowledge base
- relevance model
- speech transcripts
- named entities
- answering questions
- text retrieval
- information retrieval systems
- web search
- image retrieval
- search engine
- test collection
- machine translation
- retrieval systems
- keyword queries
- relevant documents