Generative Question Refinement with Deep Reinforcement Learning in Retrieval-based QA System.
Ye LiuChenwei ZhangXiaohui YanYi ChangPhilip S. YuPublished in: CoRR (2019)
Keyphrases
- reinforcement learning
- answer extraction
- question answering
- question answer
- question classification
- qa clef
- open domain question answering
- passage retrieval
- information retrieval
- information retrieval systems
- interactive question answering
- generative model
- image retrieval
- test collection
- learning algorithm
- answer validation
- question answering systems
- image database
- model free
- function approximation
- open domain
- machine learning
- qa systems
- efficient retrieval
- state space
- learning process
- relevance feedback
- text retrieval
- reinforcement learning algorithms
- markov decision processes
- transfer learning
- temporal difference
- candidate answers
- unsupervised learning
- cross lingual
- optimal control
- multimedia databases
- retrieval model
- retrieval systems
- bag of words
- query expansion