Keyphrases
- language modeling
- language model
- information retrieval
- retrieval model
- query expansion
- cross lingual
- probabilistic model
- n gram
- document retrieval
- improvements in retrieval effectiveness
- statistical language models
- test collection
- text classification
- word segmentation
- translation model
- query terms
- relevance model
- sentence retrieval
- document length
- co occurrence
- feature selection