PGT: Pseudo Relevance Feedback Using a Graph-Based Transformer.
HongChien YuZhuyun DaiJamie CallanPublished in: ECIR (2) (2021)
Keyphrases
- pseudo relevance feedback
- query expansion
- retrieval effectiveness
- language model
- document retrieval
- retrieval accuracy
- average precision
- relevance feedback
- relevant documents
- automatic query expansion
- retrieved documents
- ad hoc retrieval
- test collection
- relevance model
- query specific
- pseudo feedback
- interactive query expansion
- query terms
- semi supervised
- ad hoc information retrieval
- information retrieval systems
- language modeling
- retrieval model
- n gram
- information extraction
- k means
- search engine
- machine learning