Simple Question Answering over Knowledge Graph Enhanced by Question Pattern Classification.
Hai CuiTao PengLizhou FengTie BaoLu LiuPublished in: Knowl. Inf. Syst. (2021)
Keyphrases
- question answering
- pattern classification
- question classification
- question answering systems
- qa clef
- natural language questions
- answer extraction
- open domain question answering
- answering questions
- qa systems
- natural language processing
- pattern recognition
- information extraction
- named entities
- answer validation
- natural language
- feature extraction
- candidate answers
- passage retrieval
- syntactic information
- question answer pairs
- relation extraction
- knowledge representation
- information retrieval
- cross language
- sentence retrieval
- knowledge base
- feature weighting
- data mining
- graph structure
- high dimensional
- search engine