COKG-QA: Multi-hop Question Answering over COVID-19 Knowledge Graphs.
Huifang DuZhongwen LeHaofen WangYunwen ChenJing YuPublished in: Data Intell. (2022)
Keyphrases
- question answering
- multi hop
- question classification
- natural language processing
- passage retrieval
- information extraction
- information retrieval
- qa clef
- syntactic information
- cross language
- qa systems
- ad hoc networks
- wireless networks
- natural language
- answer validation
- candidate answers
- sentence retrieval
- open domain question answering
- base station
- knowledge representation
- expert systems
- knowledge base
- wireless sensor networks
- natural language questions
- end to end