MRHF: Multi-stage Retrieval and Hierarchical Fusion for Textbook Question Answering.
Peide ZhuZhen WangManabu OkumuraJie YangPublished in: MMM (2) (2024)
Keyphrases
- multistage
- question answering
- passage retrieval
- information retrieval
- single stage
- sentence retrieval
- natural language processing
- question answering systems
- answer extraction
- dynamic programming
- question classification
- cross language
- information extraction
- natural language
- named entities
- document retrieval
- retrieval model
- qa clef
- natural language questions
- query expansion
- retrieval systems
- test collection
- syntactic information
- candidate answers
- open domain question answering
- information retrieval systems
- text retrieval
- optimal policy
- relevance feedback
- answering questions
- image retrieval
- answer validation
- qa systems
- audio visual
- state space
- machine learning