Improving Complex Knowledge Base Question Answering via Question-to-Action and Question-to-Question Alignment.
Yechun TangXiaoxia ChengWeiming LuPublished in: EMNLP (2022)
Keyphrases
- question answering
- question classification
- question answering systems
- qa clef
- natural language questions
- qa systems
- answer validation
- answering questions
- answer extraction
- knowledge base
- information retrieval
- question answer pairs
- candidate answers
- open domain question answering
- sentence retrieval
- named entities
- natural language processing
- information extraction
- multi modal
- knowledge representation
- expert systems
- natural language
- search engine