Exploiting External Collections for Query Expansion.
Wouter WeerkampKrisztian BalogMaarten de RijkePublished in: ACM Trans. Web (2012)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- text retrieval
- language model
- pseudo relevance feedback
- retrieval model
- language modeling
- document collections
- relevance feedback
- automatic query expansion
- ad hoc retrieval
- improving search
- document ranking
- biomedical information retrieval
- ranked retrieval
- trec collections
- digital libraries
- query disambiguation
- web corpora
- data collections
- relevance model
- retrieved documents
- data sets
- metadata
- original query
- query specific
- interactive query expansion
- relevant documents
- trec genomics track
- search engine
- keywords