Unsupervised estimation of the language model scaling factor.
Christopher M. WhiteAriya RastrowSanjeev KhudanpurFrederick JelinekPublished in: INTERSPEECH (2009)
Keyphrases
- language model
- scaling factors
- language modeling
- document retrieval
- retrieval model
- n gram
- query expansion
- information retrieval
- probabilistic model
- unsupervised learning
- ad hoc information retrieval
- mixture model
- smoothing methods
- parameter estimation
- control parameters
- context sensitive
- relevance model
- test collection
- neural network
- fuzzy logic controller
- word clouds
- feature selection
- machine learning
- optimization process
- estimation error
- membership functions
- approximation error
- generative model
- semi supervised