BBK-UFRGS@CLEF2009: Query Expansion of Geographic Place Names.
Richard FlemmingsJoana BarrosAndré Pinto GeraldoViviane Pereira MoreiraPublished in: CLEF (Working Notes) (2009)
Keyphrases
- query expansion
- information retrieval systems
- language model
- information retrieval
- retrieval effectiveness
- relevance feedback
- language modeling
- pseudo relevance feedback
- ad hoc retrieval
- relevant documents
- trec genomics track
- query terms
- retrieval model
- keywords
- text retrieval
- query translation
- passage retrieval
- document ranking
- expansion terms
- short queries
- federated search
- automatic query expansion
- image retrieval
- interactive query expansion
- vocabulary mismatch
- biomedical information retrieval
- bayesian networks