Applying Language Model into IR Task.
Junlin ZhangLe SunYongche ZhangYufang SunPublished in: NTCIR (2004)
Keyphrases
- language model
- information retrieval
- retrieval model
- ad hoc information retrieval
- query expansion
- language modeling
- language model for information retrieval
- ir models
- document retrieval
- n gram
- term dependencies
- probabilistic model
- document ranking
- passage retrieval
- trec test collections
- language modelling
- test collection
- retrieval effectiveness
- speech recognition
- query terms
- text retrieval
- jelinek mercer
- mixture model
- context sensitive
- vector space model
- pseudo feedback
- information retrieval systems
- language modeling framework
- smoothing methods
- statistical language models
- trec collections
- dirichlet prior
- term weighting
- language models for information retrieval
- probabilistic retrieval models
- pseudo relevance feedback
- tf idf
- document collections
- okapi bm
- relevant documents
- relevance model
- term proximity