Lexical validation of answers in Question Answering.
Anne-Laure LigozatBrigitte GrauAnne VilnatIsabelle RobbaArnaud GrappyPublished in: Web Intelligence (2007)
Keyphrases
- question answering
- natural language questions
- qa systems
- question answering systems
- syntactic information
- natural language processing
- candidate answers
- textual entailment recognition
- answer extraction
- semantic roles
- answering questions
- question answer pairs
- information extraction
- question classification
- wordnet
- answer validation
- information retrieval
- domain specific
- cross language
- passage retrieval
- named entities
- natural language
- qa clef
- word sense disambiguation
- artificial intelligence
- open domain question answering
- relation extraction
- semantic relations
- keywords
- knowledge base
- correct answers
- data mining
- sentence retrieval
- semantic analysis
- co occurrence
- machine learning