When the answer comes into question in question-answering: survey and open issues.
Ana Cristina MendesLuísa CoheurPublished in: Nat. Lang. Eng. (2013)
Keyphrases
- open issues
- question answering
- qa systems
- question classification
- natural language questions
- candidate answers
- question answering systems
- answer extraction
- answering questions
- question answer pairs
- answer validation
- qa clef
- information retrieval
- future trends
- correct answers
- natural language
- information extraction
- syntactic information
- natural language processing
- cross language
- named entities
- passage retrieval
- relation extraction
- textual entailment recognition
- open domain question answering
- n gram
- document collections
- sql queries
- keyword queries
- machine learning