Keyphrases
- language modeling
- language model
- trec collections
- retrieval model
- information retrieval
- language independent
- cross lingual
- query expansion
- trec test collections
- probabilistic model
- n gram
- text classification
- relevance model
- term weighting
- improvements in retrieval effectiveness
- statistical language models
- document retrieval
- information retrieval systems
- knowledge discovery
- comparable corpora
- vector space model
- keywords
- bayesian networks
- database systems