WULAI-QA: Web Understanding and Learning with AI towards Document-based Question Answering against COVID-19.
Yuan ZhangXiaoqing ZhangYichuan HuGuanchun WangRui YanPublished in: WSDM (2021)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- information extraction
- qa clef
- natural language processing
- answering questions
- question answering systems
- artificial intelligence
- question classification
- web documents
- open domain question answering
- qa systems
- cross language
- named entities
- information retrieval systems
- expert systems
- natural language questions
- relation extraction
- syntactic information
- natural language
- semantic roles
- language model
- candidate answers
- answer extraction
- text mining
- question answer pairs