CFXGBoost: Topic phrase extraction based on context features and XGBoost for knowledge base question answering.
Han HanFengyu YangJiuming HuangBin ZhouPublished in: ICNC-FSKD (2017)
Keyphrases
- question answering
- knowledge base
- information retrieval
- natural language processing
- qa clef
- syntactic information
- question answering systems
- passage retrieval
- named entities
- natural language questions
- semantic roles
- wordnet
- information extraction
- natural language
- text summarization
- knowledge representation
- semantic information
- co occurrence
- answer extraction
- cross language
- feature set
- question answer pairs