A Web Knowledge Based Approach for Complex Question Answering.
Han RenDong-Hong JiChong TengJing WanPublished in: AIRS (2011)
Keyphrases
- question answering
- natural language processing
- question answering systems
- information extraction
- question classification
- answering questions
- natural language
- relation extraction
- domain knowledge
- cross language
- named entities
- information retrieval
- answer validation
- knowledge representation
- web documents
- passage retrieval
- open domain question answering
- candidate answers
- knowledge base
- qa clef
- natural language questions
- data mining
- expert systems
- syntactic information
- sentence retrieval
- artificial intelligence
- question answer pairs