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