Corpus-based Question Answering for why-Questions.
Ryuichiro HigashinakaHideki IsozakiPublished in: IJCNLP (2008)
Keyphrases
- question answering
- qa systems
- natural language questions
- question answering systems
- answer extraction
- qa clef
- candidate answers
- answering questions
- question answer pairs
- open domain question answering
- information retrieval
- natural language
- natural language processing
- question classification
- cross language
- information extraction
- answer validation
- syntactic information
- passage retrieval
- named entities
- data mining
- artificial intelligence
- search engine
- multi modal
- correct answers
- expert systems
- semantic roles
- textual entailment recognition