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