Keyphrases
- language model
- social media
- language modeling
- n gram
- prediction accuracy
- probabilistic model
- retrieval model
- statistical language models
- speech recognition
- information retrieval
- document retrieval
- ad hoc information retrieval
- query expansion
- language modelling
- social networks
- vector space model
- context sensitive
- language models for information retrieval
- test collection
- query terms
- user generated content
- information extraction
- pseudo relevance feedback
- relevance model
- smoothing methods
- word error rate
- text classification
- okapi bm
- language modeling approaches
- language model for information retrieval