Keyphrases
- language modeling
- language model
- retrieval model
- query expansion
- information retrieval
- n gram
- probabilistic model
- cross lingual
- statistical language models
- semantic similarity
- natural language
- data mining
- sentence retrieval
- improvements in retrieval effectiveness
- word segmentation
- relevance model
- retrieval effectiveness
- information retrieval systems
- document retrieval
- test collection
- semantic information
- mixture model
- text classification
- comparable corpora
- co occurrence
- principal component analysis