Complex Factoid Question Answering with a Free-Text Knowledge Graph.
Chen ZhaoChenyan XiongXin QianJordan L. Boyd-GraberPublished in: CoRR (2021)
Keyphrases
- question answering
- free text
- information extraction
- natural language processing
- structured data
- passage retrieval
- clinical guidelines
- natural language
- knowledge representation
- information retrieval
- named entities
- question classification
- syntactic information
- cross language
- semi structured
- knowledge base
- web documents
- relation extraction
- machine learning
- open domain
- domain knowledge
- natural language questions
- qa systems
- question answering systems
- semantic information
- graph structure
- expert systems
- knowledge discovery
- qa clef
- text categorization