Compression-based document length prior for language models.
Javier ParaparDavid E. LosadaAlvaro BarreiroPublished in: SIGIR (2009)
Keyphrases
- language model
- document length
- dirichlet prior
- language modeling
- jelinek mercer
- smoothing methods
- information retrieval
- n gram
- probabilistic model
- retrieval model
- document retrieval
- test collection
- mixture model
- query expansion
- retrieval systems
- context sensitive
- vector space model
- document representation
- scoring function
- relevance model
- document ranking
- pseudo relevance feedback
- information retrieval systems