Lightening the load of document smoothing for better language modeling retrieval.
Mark D. SmuckerJames AllanPublished in: SIGIR (2006)
Keyphrases
- language modeling
- jelinek mercer
- language model
- document language models
- document length
- language modeling approaches
- retrieval model
- information retrieval
- language modeling framework
- dirichlet prior
- query expansion
- smoothing methods
- statistical language modeling
- n gram
- language models for information retrieval
- commonly adopted
- probabilistic model
- retrieval systems
- document retrieval
- pseudo feedback
- term weighting
- relevance model
- document ranking
- information retrieval systems
- term dependencies
- cross lingual
- trec collections
- test collection
- term frequency
- vector space model
- retrieval effectiveness
- ad hoc information retrieval
- expert finding
- statistical language models
- text classification
- passage retrieval
- query specific
- term weighting schemes
- retrieved documents
- pseudo relevance feedback
- user queries
- search engine
- improvements in retrieval effectiveness
- term weights