A Time-Aware Language Model for Microblog Retrieval.
Bingjie WeiShuai ZhangRui LiBin WangPublished in: TREC (2012)
Keyphrases
- language model
- retrieval model
- document retrieval
- ad hoc information retrieval
- test collection
- query expansion
- language modeling
- information retrieval
- query terms
- language models for information retrieval
- cross language retrieval
- statistical language models
- probabilistic model
- n gram
- document ranking
- document length
- speech recognition
- retrieval effectiveness
- smoothing methods
- trec test collections
- query specific
- okapi bm
- relevance model
- language modelling
- mixture model
- web page retrieval
- jelinek mercer
- statistical language modeling
- context sensitive
- ir models
- social media
- text retrieval
- average precision
- vector space model
- pseudo feedback
- information retrieval systems
- retrieval systems
- term dependencies
- image database
- document level
- image retrieval
- probabilistic retrieval models
- term weighting
- cross lingual
- divergence from randomness
- inter document similarities
- term frequency
- retrieval strategies
- trec collections
- translation model