A machine learning approach for improved BM25 retrieval.
Krysta M. SvoreChristopher J. C. BurgesPublished in: CIKM (2009)
Keyphrases
- retrieval model
- document retrieval
- information retrieval
- term weighting
- information retrieval systems
- text retrieval
- retrieval systems
- relevance feedback
- query expansion
- test collection
- image retrieval
- retrieval accuracy
- improved algorithm
- term frequency
- ir models
- language model
- average precision
- query formulation
- image database
- co occurrence
- okapi bm