Recovering Question Answering Errors via Query Revision.
Semih YavuzIzzeddin GurYu SuXifeng YanPublished in: EMNLP (2017)
Keyphrases
- question answering
- natural language questions
- sentence retrieval
- natural language
- passage retrieval
- information retrieval
- natural language processing
- information extraction
- database
- query processing
- qa clef
- question classification
- cross language
- query expansion
- knowledge base
- question answering systems
- candidate answers
- syntactic information
- open domain question answering
- query evaluation
- vector space
- named entities
- retrieval systems
- user queries
- keywords
- sql queries
- semantic roles
- answer validation
- artificial intelligence