Keyphrases
- language modeling
- language model
- metadata
- query expansion
- retrieval model
- information retrieval
- cross lingual
- probabilistic model
- digital libraries
- n gram
- statistical language models
- text classification
- word segmentation
- mixture model
- information retrieval systems
- active learning
- database
- test collection
- document retrieval
- improvements in retrieval effectiveness
- sentence retrieval
- trec collections
- statistical language modeling
- relevance model
- conditional probabilities
- relevance feedback
- multimedia
- data mining