Tunable Discounting Mechanisms for Language Modeling.
Junfei GuoJuan LiuXianlong ChenQi HanKunxiao ZhouPublished in: IScIDE (2) (2015)
Keyphrases
- language modeling
- language model
- retrieval model
- information retrieval
- query expansion
- probabilistic model
- n gram
- cross lingual
- text classification
- document length
- comparable corpora
- word segmentation
- sentence retrieval
- document retrieval
- statistical language models
- improvements in retrieval effectiveness
- bayesian networks
- trec collections
- test collection
- term weighting schemes
- translation model
- relevance model
- retrieval effectiveness
- dimensionality reduction
- statistical language modeling