A Survey of Question Answering over Knowledge Base.
Peiyun WuXiaowang ZhangZhiyong FengPublished in: CCKS (2019)
Keyphrases
- question answering
- knowledge base
- natural language processing
- information extraction
- natural language
- expert systems
- question classification
- knowledge representation
- question answering systems
- natural language questions
- information retrieval
- passage retrieval
- named entities
- syntactic information
- qa clef
- open domain question answering
- cross language
- wordnet
- knowledge sources
- machine learning
- domain knowledge
- answer extraction
- answering questions
- artificial intelligence