Offline Definition Extraction Using Machine Learning for Knowledge-Oriented Question Answering.
Xiao ChangQinghua ZhengPublished in: ICIC (3) (2007)
Keyphrases
- question answering
- information extraction
- machine learning
- natural language processing
- natural language
- question classification
- knowledge representation
- information retrieval
- passage retrieval
- cross language
- text mining
- qa clef
- relation extraction
- syntactic information
- question answering systems
- natural language questions
- open domain question answering
- named entities
- background knowledge
- knowledge discovery
- knowledge base
- domain knowledge
- answer extraction
- sentence retrieval
- text classification
- search engine
- machine learning methods
- document retrieval
- data mining