UFRGS@CLEF2009: Retrieval by Numbers.
Thyago Bohrer BorgesViviane Pereira MoreiraPublished in: CLEF (Working Notes) (2009)
Keyphrases
- query expansion
- information retrieval
- test collection
- ad hoc retrieval
- multilingual information retrieval
- question answering
- cross language retrieval
- retrieval model
- passage retrieval
- relevance feedback
- image database
- document retrieval
- blind relevance feedback
- content based retrieval
- retrieval effectiveness
- retrieval systems
- language model
- information retrieval systems
- text retrieval
- cross language
- retrieval accuracy
- relevant documents
- efficient retrieval
- spoken document retrieval
- document collections
- evaluation campaigns
- monolingual retrieval