Effective Contrastive Weighting for Dense Query Expansion.

Xiao Wang Sean MacAvaney Craig Macdonald Iadh Ounis

Published in: ACL (1) (2023)

Keyphrases

query expansion
retrieval effectiveness
information retrieval systems
information retrieval
pseudo relevance feedback
language modeling

relevance feedback
relevant documents
language model
original query
ranked retrieval
ad hoc retrieval

improving search
query terms
retrieval model
automatic query expansion
web corpora
query disambiguation

text retrieval
trec genomics track
tf idf
query expansion methods
query translation
image retrieval