Language Models, Smoothing, and IDF Weighting.
Najeeb AbdulmutalibNorbert FuhrPublished in: LWA (2010)
Keyphrases
- language model
- smoothing methods
- term weighting
- language modeling
- tf idf
- retrieval model
- language models for information retrieval
- vector space model
- statistical language modeling
- inverse document frequency
- language modeling approaches
- weighting scheme
- information retrieval
- document length
- term frequency
- dirichlet prior
- query terms
- language modelling
- weighting schemes
- probabilistic model
- language modeling framework
- n gram
- speech recognition
- document retrieval
- query expansion
- test collection
- okapi bm
- context sensitive
- pseudo relevance feedback
- text categorization
- term weights
- retrieval effectiveness
- text retrieval
- ir models
- statistical language models
- term dependencies
- query specific
- sentence retrieval
- document ranking
- document representation
- cross lingual
- document clustering
- ad hoc information retrieval
- language model for information retrieval
- naive bayes classification
- relevance model
- knn
- similarity measure