Span Selection Pre-training for Question Answering.
Michael R. GlassAlfio GliozzoRishav ChakravartiAnthony FerrittoLin PanG. P. Shrivatsa BhargavDinesh GargAvirup SilPublished in: ACL (2020)
Keyphrases
- question answering
- information retrieval
- natural language processing
- natural language
- question classification
- named entities
- passage retrieval
- syntactic information
- information extraction
- cross language
- semantic roles
- question answering systems
- open domain question answering
- natural language questions
- qa systems
- test set
- qa clef
- sentence retrieval
- answering questions
- answer validation
- training set
- word sense disambiguation
- candidate answers
- search engine