Query expansion using the UMLS Metathesaurus.
Alan R. AronsonThomas C. RindfleschPublished in: AMIA (1997)
Keyphrases
- query expansion
- umls metathesaurus
- information retrieval systems
- information retrieval
- retrieval effectiveness
- language modeling
- relevant documents
- relevance feedback
- pseudo relevance feedback
- text retrieval
- query disambiguation
- language model
- automatic query expansion
- original query
- query translation
- retrieval model
- trec genomics track
- model for information retrieval
- vocabulary mismatch
- query terms
- term selection
- retrieved documents
- biomedical information retrieval
- web corpora
- improving search
- ranked retrieval
- machine learning
- query expansion methods
- pseudo feedback
- ranking scheme
- ad hoc retrieval
- question answering
- document collections
- digital libraries