QA4PRF: A Question Answering based Framework for Pseudo Relevance Feedback.
Handong MaJiawei HouChenxu ZhuWeinan ZhangRuiming TangJincai LaiJieming ZhuXiuqiang HeYong YuPublished in: CoRR (2021)
Keyphrases
- question answering
- pseudo relevance feedback
- passage retrieval
- query expansion
- relevance model
- information retrieval
- document retrieval
- retrieval effectiveness
- sentence retrieval
- language model
- question classification
- qa clef
- information extraction
- natural language processing
- natural language
- short queries
- open domain question answering
- qa systems
- retrieved documents
- average precision
- cross language
- named entities
- natural language questions
- evaluation methodology
- relevant documents
- question answering systems
- answer extraction
- retrieval model
- document collections
- syntactic information
- text retrieval