BM25t: a BM25 extension for focused information retrieval.
Mathias GéryChristine LargeronPublished in: Knowl. Inf. Syst. (2012)
Keyphrases
- information retrieval
- document retrieval
- retrieval model
- term weighting
- term weighting schemes
- ir models
- ranking functions
- retrieval effectiveness
- language modeling
- tf idf
- information retrieval systems
- test collection
- learning to rank
- language model
- text retrieval
- retrieval systems
- document collections
- term frequency
- information extraction
- document length
- data sets
- vector space model
- computational linguistics
- document length normalization
- information access
- precision recall
- weighting schemes
- text mining
- focused retrieval