Keyphrases
- language modeling
- language model
- information retrieval
- retrieval model
- query expansion
- n gram
- cross lingual
- probabilistic model
- text classification
- statistical language models
- argumentation schemes
- document retrieval
- retrieval effectiveness
- improvements in retrieval effectiveness
- knowledge discovery
- relevance model
- trec collections
- language modeling approaches
- document length
- sentence retrieval
- test collection
- information retrieval systems