Distantly-Supervised Evidence Retrieval Enables Question Answering without Evidence Annotation.
Chen ZhaoChenyan XiongJordan L. Boyd-GraberHal Daumé IIIPublished in: CoRR (2021)
Keyphrases
- question answering
- information retrieval
- natural language processing
- question classification
- passage retrieval
- information extraction
- named entities
- open domain question answering
- machine learning
- information retrieval systems
- natural language
- artificial intelligence
- sentence retrieval
- answer validation
- multi modal
- query expansion
- document retrieval
- cross language
- semi supervised
- question answering systems
- qa clef
- metadata