Controlling Risk of Web Question Answering.
Lixin SuJiafeng GuoYixing FanYanyan LanXueqi ChengPublished in: SIGIR (2019)
Keyphrases
- question answering
- question answering systems
- answering questions
- question classification
- natural language
- information retrieval
- qa clef
- cross language
- passage retrieval
- question answer pairs
- information extraction
- open domain question answering
- natural language questions
- syntactic information
- natural language processing
- named entities
- qa systems
- relation extraction
- semantic roles
- answer extraction
- web pages
- sentence retrieval
- web documents
- candidate answers
- machine learning
- answer validation
- textual entailment recognition