Evaluation of query expansion using MeSH in PubMed.
Zhiyong LuWon KimW. John WilburPublished in: Inf. Retr. (2009)
Keyphrases
- query expansion
- information retrieval systems
- interactive query expansion
- retrieval effectiveness
- retrieved documents
- information retrieval
- improving search
- pseudo relevance feedback
- text retrieval
- language model
- relevant documents
- trec genomics track
- language modeling
- relevance feedback
- retrieval model
- ad hoc retrieval
- automatic query expansion
- biomedical information retrieval
- original query
- query disambiguation
- ranked retrieval
- query expansion methods
- query terms
- xml retrieval
- relevance model
- feature selection
- vocabulary mismatch
- probabilistic model
- ranking scheme
- biomedical literature
- test collection