Towards Graph-hop Retrieval and Reasoning in Complex Question Answering over Textual Database.
Minjun ZhuYixuan WengShizhu HeKang LiuJun ZhaoPublished in: CoRR (2023)
Keyphrases
- question answering
- database
- passage retrieval
- information retrieval
- natural language
- sentence retrieval
- natural language processing
- question answering systems
- databases
- question classification
- information extraction
- answering questions
- cross language
- relational databases
- answer extraction
- natural language questions
- metadata
- named entities
- document retrieval
- open domain question answering
- syntactic information
- speech transcripts
- information retrieval systems
- qa clef
- image retrieval
- database schema
- retrieval systems
- relevance feedback
- knowledge base
- free text
- test collection
- text categorization
- candidate answers
- knowledge representation
- query processing
- keywords