Evaluation of a Thesaurus-Based Query Expansion Technique.
Luiz Augusto Sangoi PizzatoVera Lúcia Strube de LimaPublished in: PROPOR (2003)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- interactive query expansion
- relevance feedback
- information retrieval
- retrieval model
- text retrieval
- relevant documents
- language model
- language modeling
- automatic query expansion
- pseudo relevance feedback
- query expansion methods
- original query
- biomedical information retrieval
- ad hoc retrieval
- improving search
- query translation
- trec genomics track
- ranking scheme
- query specific
- probabilistic retrieval model
- vocabulary mismatch
- relevance model
- retrieved documents
- average precision
- evaluation metrics
- query terms
- learning process