Boosting question answering over knowledge graph with reward integration and policy evaluation under weak supervision.
Xin BiHaojie NieGuoliang ZhangLei HuYuliang MaXiangguo ZhaoYe YuanGuoren WangPublished in: Inf. Process. Manag. (2023)
Keyphrases
- question answering
- policy evaluation
- natural language
- natural language processing
- question classification
- information retrieval
- reinforcement learning
- information extraction
- expert systems
- least squares
- question answering systems
- knowledge representation
- syntactic information
- natural language questions
- qa clef
- passage retrieval
- named entities
- temporal difference
- variance reduction
- knowledge discovery
- knowledge base
- feature selection
- function approximation
- semantic information
- structured data
- decision trees
- artificial intelligence