Multi-granularity Hierarchical Feature Extraction for Question-Answering Understanding.
Xingguo QinYa ZhouGuimin HuangMaolin LiJun LiPublished in: Cogn. Comput. (2023)
Keyphrases
- question answering
- multi granularity
- feature extraction
- natural language processing
- information extraction
- information retrieval
- question classification
- natural language
- cross language
- dynamic integration
- syntactic information
- named entities
- answering questions
- qa clef
- multi user
- location aware
- passage retrieval
- natural language questions
- answer validation
- question answering systems
- feature vectors
- qa systems
- answer extraction
- candidate answers
- semantic roles
- context aware
- relational databases
- feature selection
- machine learning
- database