A Question Understanding Model Based on Knowledge Points for Chinese Question Answering Service in E-Learning.
Zheng-Hong WuMing LiHuamin FengPublished in: International Conference on Computational Science (3) (2007)
Keyphrases
- question answering
- question classification
- question answering systems
- answering questions
- e learning
- qa clef
- natural language questions
- text summarization
- answer extraction
- qa systems
- answer validation
- candidate answers
- open domain question answering
- information retrieval
- natural language
- domain knowledge
- named entities
- natural language processing
- passage retrieval
- information extraction
- sentence retrieval
- relation extraction
- learning experience
- knowledge base
- question answer pairs
- syntactic information
- knowledge representation
- cross language
- background knowledge
- expert systems
- textual entailment recognition
- multi domain
- xml documents
- multimedia