Semantic v.s. Positions: Utilizing Balanced Proximity in Language Model Smoothing for Information Retrieval.
Rui YanHan JiangMirella LapataShou-De LinXueqiang LvXiaoming LiPublished in: IJCNLP (2013)
Keyphrases
- language model
- information retrieval
- smoothing methods
- language modeling
- language modeling approaches
- language modeling framework
- statistical language modeling
- document retrieval
- language models for information retrieval
- document length
- retrieval model
- test collection
- document language models
- speech recognition
- dirichlet prior
- query expansion
- vector space model
- n gram
- probabilistic model
- language modelling
- jelinek mercer
- statistical language models
- ir models
- query terms
- information retrieval systems
- pseudo relevance feedback
- context sensitive
- term proximity
- mixture model
- relevance model
- text retrieval
- retrieval effectiveness
- semantic information
- information extraction
- relevant documents
- cross lingual
- semantic similarity
- expert search
- term frequency
- ad hoc information retrieval
- text mining