Effective Contrastive Weighting for Dense Query Expansion.
Xiao WangSean MacAvaneyCraig MacdonaldIadh OunisPublished 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