Incorporating Passage Feature Within Language Model Framework for Information Retrieval.
Ke DangTiejun ZhaoHaoliang QiDequan ZhengPublished in: CICLing (2007)
Keyphrases
- language model
- information retrieval
- language modeling
- document retrieval
- probabilistic model
- retrieval model
- query expansion
- query terms
- test collection
- language modelling
- speech recognition
- n gram
- vector space model
- relevance model
- mixture model
- retrieval effectiveness
- context sensitive
- passage retrieval
- smoothing methods
- information extraction
- statistical language models
- language models for information retrieval
- text mining
- term dependencies
- ir models
- translation model
- document length
- okapi bm
- pseudo feedback
- ad hoc information retrieval
- probabilistic retrieval models
- language modeling approaches
- document ranking
- term weighting
- xml retrieval
- query translation
- tf idf
- relevant documents
- retrieval systems
- information retrieval systems
- search engine