Generative Question Refinement with Deep Reinforcement Learning in Retrieval-based QA System.
Ye LiuChenwei ZhangXiaohui YanYi ChangPhilip S. YuPublished in: CIKM (2019)
Keyphrases
- reinforcement learning
- answer extraction
- question answering
- question classification
- question answer
- question answering systems
- qa clef
- function approximation
- information retrieval
- open domain question answering
- passage retrieval
- document retrieval
- text retrieval
- interactive question answering
- retrieval model
- natural language questions
- open domain
- generative model
- test collection
- answer validation
- machine learning
- model free
- qa systems
- optimal policy
- learning algorithm
- image retrieval
- learning process
- state space
- multimedia retrieval
- retrieval process
- information retrieval systems
- retrieval systems
- function approximators
- relevance feedback
- syntactic information
- image database
- reinforcement learning algorithms
- temporal difference
- multi agent
- text classification
- query expansion