Automatically Acquiring Causal Expression Patterns from Relation-annotated Corpora to Improve Question Answering for why-Questions.
Ryuichiro HigashinakaHideki IsozakiPublished in: ACM Trans. Asian Lang. Inf. Process. (2008)
Keyphrases
- question answering
- natural language questions
- question answering systems
- qa systems
- automatically acquiring
- natural language processing
- answer extraction
- cross language
- natural language
- information extraction
- information retrieval
- named entities
- question answer pairs
- semantic roles
- relation extraction
- bayesian networks
- high throughput