Towards Graph-hop Retrieval and Reasoning in Complex Question Answering over Textual Database.
Minjun ZhuYixuan WengShizhu HeKang LiuHaifeng LiuYang jun JunJun ZhaoPublished in: LREC/COLING (2024)
Keyphrases
- question answering
- database
- information retrieval
- passage retrieval
- natural language
- answering questions
- information extraction
- question classification
- natural language processing
- question answering systems
- databases
- natural language questions
- sentence retrieval
- named entities
- qa clef
- retrieval model
- answer extraction
- relational databases
- knowledge representation
- metadata
- knowledge base
- syntactic information
- cross language
- open domain question answering
- database systems
- vector space
- document retrieval
- retrieval systems
- test collection
- relevance feedback
- keywords
- answer validation
- database schema
- query expansion
- text classification
- qa systems
- information retrieval systems
- query language
- multimedia
- machine learning