Keyphrases
- language modeling
- language model
- retrieval model
- information retrieval
- query expansion
- cross lingual
- probabilistic model
- n gram
- text classification
- relevance model
- improvements in retrieval effectiveness
- statistical language models
- document retrieval
- machine learning
- trec collections
- retrieval effectiveness
- word segmentation
- comparable corpora
- sentence retrieval
- test collection
- dirichlet prior
- database systems
- statistical language modeling