PGT: Pseudo Relevance Feedback Using a Graph-Based Transformer.
HongChien YuZhuyun DaiJamie CallanPublished in: CoRR (2021)
Keyphrases
- pseudo relevance feedback
- query expansion
- document retrieval
- retrieval effectiveness
- language model
- ad hoc retrieval
- relevance feedback
- average precision
- retrieved documents
- retrieval accuracy
- relevant documents
- relevance model
- interactive query expansion
- retrieval model
- information retrieval systems
- automatic query expansion
- pseudo feedback
- original query
- query specific
- query terms
- ad hoc information retrieval
- semi supervised
- database systems
- learning to rank
- ranking algorithm
- co occurrence
- information retrieval