Smoothing document language model with local word graph.
Yunping HuangLe SunJian-Yun NiePublished in: CIKM (2009)
Keyphrases
- language model
- semantic smoothing
- translation model
- n gram
- language modeling approaches
- word clouds
- jelinek mercer
- smoothing methods
- statistical language modeling
- language modeling
- document length
- multiword
- language modeling framework
- information retrieval
- document language models
- document retrieval
- document ranking
- context sensitive
- document level
- query terms
- ad hoc information retrieval
- vector space model
- retrieval model
- document representation
- language models for information retrieval
- speech recognition
- dirichlet prior
- query expansion
- word error rate
- probabilistic model
- term frequency
- statistical machine translation
- mixture model
- cross lingual
- keywords
- pseudo relevance feedback
- test collection
- co occurrence
- term dependencies
- term weighting
- query specific
- word level
- relevance model
- word segmentation
- cross language information retrieval
- tf idf
- weighted graph
- document images