DEU at ImageCLEFmed 2009: Evaluating a Re-ranking and Integrated Retrieval Model.
Tolga BerberAdil AlpkocakPublished in: CLEF (Working Notes) (2009)
Keyphrases
- retrieval model
- retrieval functions
- language model
- document retrieval
- language modeling
- effective retrieval
- test collection
- retrieval effectiveness
- information retrieval systems
- vector space
- vector space model
- text retrieval
- retrieval systems
- learning to rank
- query expansion
- information retrieval
- relevance feedback
- retrieval framework
- document ranking
- user queries
- ranking functions
- retrieval process
- improvements in retrieval effectiveness
- sentence retrieval
- ranking algorithm
- tf idf
- query terms
- web search
- learning algorithm
- evaluation measures
- ranked list
- user feedback
- relevance model
- passage retrieval
- n gram
- medical image retrieval
- similarity measure
- feature selection