CSS: Contrastive Span Selector for Multi-span Question Answering.
Penghui ZhangGuanming XiongWen ZhaoPublished in: PRICAI (1) (2022)
Keyphrases
- question answering
- natural language processing
- information retrieval
- natural language
- information extraction
- question classification
- passage retrieval
- qa clef
- named entities
- natural language questions
- cross language
- sentence retrieval
- relation extraction
- question answering systems
- textual entailment recognition
- machine learning
- candidate answers
- query expansion
- search engine
- artificial intelligence