External Query Expansion in the Blogosphere.
Wouter WeerkampMaarten de RijkePublished in: TREC (2008)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- language model
- information retrieval
- language modeling
- text retrieval
- pseudo relevance feedback
- relevance feedback
- retrieval model
- improving search
- automatic query expansion
- trec genomics track
- ad hoc retrieval
- query terms
- query expansion methods
- original query
- biomedical information retrieval
- interactive query expansion
- retrieved documents
- model for information retrieval
- ranked retrieval
- probabilistic model
- search engine
- ranking scheme
- vocabulary mismatch
- relevance model