Improving Commonsense Question Answering by Graph-based Iterative Retrieval over Multiple Knowledge Sources.
Qianglong ChenFeng JiHaiqing ChenYin ZhangPublished in: CoRR (2020)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- multiple knowledge sources
- knowledge sources
- sentence retrieval
- question answering systems
- natural language
- answer extraction
- natural language processing
- information extraction
- document retrieval
- named entities
- query expansion
- natural language questions
- cross language
- relevance feedback
- retrieval model
- syntactic information
- information retrieval systems
- qa systems
- qa clef
- question classification
- test collection
- speech transcripts
- domain knowledge
- multi agent
- answering questions
- answer validation
- databases
- candidate answers
- text retrieval
- retrieval systems
- artificial intelligence
- knowledge base
- general purpose
- knowledge representation
- expert systems