A Unified Model for Document-Based Question Answering Based on Human-Like Reading Strategy.
Weikang LiWei LiYunfang WuPublished in: AAAI (2018)
Keyphrases
- question answering
- unified model
- passage retrieval
- information retrieval
- text summarization
- information extraction
- candidate answers
- named entities
- document retrieval
- question answering systems
- cross language
- question classification
- text documents
- natural language
- sentence retrieval
- natural language questions
- information retrieval systems
- natural language processing
- qa clef
- syntactic information
- open domain question answering
- document classification
- document clustering
- web documents
- relevant documents
- document collections
- retrieval model
- user queries
- answer validation
- query expansion