Why-Question Answering using Intra- and Inter-Sentential Causal Relations.
Jong-Hoon OhKentaro TorisawaChikara HashimotoMotoki SanoStijn De SaegerKiyonori OhtakePublished in: ACL (1) (2013)
Keyphrases
- question answering
- causal relations
- causal models
- causal relationships
- information extraction
- natural language
- natural language processing
- question classification
- information retrieval
- temporal relations
- cross language
- passage retrieval
- question answering systems
- qa clef
- conditional probabilities
- natural language questions
- syntactic information
- answer extraction
- answering questions
- active learning