QA4PRF: A Question Answering Based Framework for Pseudo Relevance Feedback

Pseudo relevance feedback (PRF) automatically performs query expansion based on top-retrieved documents to better represent the user’s information need so as to improve the search results. Previous PRF methods mainly select expansion terms with high occurrence frequency in top-retrieved docum...

Full beskrivning

Bibliografiska uppgifter

Huvudupphov:	Handong Ma, Jiawei Hou, Chenxu Zhu, Weinan Zhang, Ruiming Tang, Jincai Lai, Jieming Zhu, Xiuqiang He, Yong Yu
Materialtyp:	Artigo
Språk:	Inglês
Utgiven:	IEEE 2021-01-01
Serie:	IEEE Access
Ämnen:	Pseudo relevance feedback question answering query expansion
Länkar:	https://ieeexplore.ieee.org/document/9562528/
Taggar:	Lägg till en tagg Inga taggar, Lägg till första taggen!